Email
Chat with tutors
Login
Ask Questions, Get Answers
Menu
X
home
ask
tuition
questions
practice
papers
mobile
tutors
pricing
X
Recent questions tagged physics
Questions
Given the following statements, choose the correct answer:
jeemain
physics
kinetic-theory-of-gases
class11
ch13
degrees-of-freedom
medium
asked
Jan 23, 2014
by
balaji.thirumalai
1
answer
A Plastic film of thickness t is placed in the path of one of the interfering wave in the young's double slit experiment and it is found that the central fringe is displaced through a width of 5 fringes . If wavelength of light used is $5890 \mathring{A}$ What is thickness of film used
jeemain
physics
class12
unit16
wave-optics
youngs-double-slit-experiment
medium
asked
Jan 23, 2014
by
meena.p
1
answer
Two waves from coherent sources $S_1$ and $S_2$ having wavelength $\lambda$ arrive at a point P and complete destructive interference takes place . The path difference between them is
jeemain
physics
class12
unit16
wave-optics
coherent-sources-addition-of-waves
easy
asked
Jan 23, 2014
by
meena.p
1
answer
Two slit in a young's double slit experiment is separated by a distance d. The screen distance is D and it is illuminated by a light of wavelength $\lambda$. A point 0 on the screen is $\large\frac{2d}{3} $ distance from the point which is directly in front of one of the slits. How far away is 0 from the central bright fringe.
jeemain
physics
class12
unit16
wave-optics
youngs-double-slit-experiment
easy
asked
Jan 23, 2014
by
meena.p
1
answer
Two coherent sources of light $S_1 $ and $S_2$ are placed in a line as shown. Two screens are placed perpendicular to $S_1S_2$ at A and B . It is observed that at point P a bright fringe is seen , then at point Q.
jeemain
physics
class12
unit16
wave-optics
coherent-sources-addition-of-waves
medium
asked
Jan 23, 2014
by
meena.p
1
answer
Which of the following statements is true about an ideal gas?
jeemain
physics
kinetic-theory-of-gases
class11
ch13
kinetic-theory-of-an-ideal-gas
easy
asked
Jan 23, 2014
by
balaji.thirumalai
1
answer
Which of the following statements is true about an ideal gas?
kinetic-theory-of-an-ideal-gas
jeemain
physics
kinetic-theory-of-gases
class11
ch13
easy
asked
Jan 23, 2014
by
balaji.thirumalai
0
answers
In a Young's double slit experiment at a point P on the screen the light from two slit with a path difference of $\large\frac{\lambda}{6} $ Where $\lambda$ is the wavelength of the incident light . The intensity of light at point P is I. If $I_0$ is maximum intensity then $\large\frac{I}{I_0}$
jeemain
physics
class12
unit16
wave-optics
youngs-double-slit-experiment
easy
asked
Jan 23, 2014
by
meena.p
1
answer
A gas is found to obey the law $P =kV^{-2}$. The initial volume is $V_0$. If the gas expands to $4 V_0$ and if the initial temperature is $T_0$ what is its final temperature?
jeemain
physics
kinetic-theory-of-gases
class11
ch13
behaviour-of-gases
ideal-gas-law
medium
asked
Jan 23, 2014
by
balaji.thirumalai
1
answer
A gas is found to obey the law $P =kV^a$. The initial temperature and volume are $V_0$. If the gas expands to $b V_0$ the sign of the internal energy change depends on which of the following? (Note: $\gamma$ is the adiabatic index)
jeemain
physics
kinetic-theory-of-gases
class11
ch13
kinetic-theory-of-an-ideal-gas
kinetic-interpretation-of-temperature
difficult
asked
Jan 23, 2014
by
balaji.thirumalai
1
answer
In a young's double slit experiment 'd' distance between slit is $0.5\; mm$ and illuminated by light of $\lambda =6000 A^{\circ}$ If screen distance is 2.5m ,thedistance of third bright fringe from centre.
jeemain
physics
class12
unit16
wave-optics
youngs-double-slit-experiment
easy
asked
Jan 23, 2014
by
meena.p
1
answer
A gas is found to obey the law $P^3V =$ constant. The initial temperature and volume are $T_0$ and $V_0$. If the gas expands to $2 V_0$ what happens to the internal energy?
jeemain
physics
kinetic-theory-of-gases
class11
ch13
medium
behaviour-of-gases
ideal-gas-law
asked
Jan 23, 2014
by
balaji.thirumalai
1
answer
In a Young's double slit experiment light of $\lambda =5000\mathring{A}$ is incident on two slits. At a point P on the screen the two rays arriving have a path difference of $1 \times 10^{-6} \;m$. If the central fringe (zero) is maxima . What is formed at p.
jeemain
physics
class12
unit16
wave-optics
youngs-double-slit-experiment
medium
asked
Jan 23, 2014
by
meena.p
1
answer
Maximum intensity of the interference pattern in a young double slit experiment is I. Distance between slit is $d= 5 \lambda$ where $\lambda $ is wave length of the light source. What will be the intensity of light at a point directly in front of one of the slits. $(D= 50 \lambda)$
jeemain
physics
class12
unit16
wave-optics
youngs-double-slit-experiment
medium
asked
Jan 23, 2014
by
meena.p
1
answer
In a Young's double slit experiment 'd' distance between slit is $1 \times 10^{-4}\;m$ and $D=1\; m $. ( distance of screen from slits ) At a point P on the screen the resulting intensity is equal to the intensity due to individual slit $I_0$ The distance of P from central maxima when wavelength of $x=6000\;\mathring{A}$ is
jeemain
physics
class12
unit16
wave-optics
youngs-double-slit-experiment
difficult
asked
Jan 23, 2014
by
meena.p
1
answer
A polariser and an analyser are oriented so that maximum light is transmitted of intensity $I_0$ What will be the intensity of the out coming light when analyer is rotated through $60^{\circ}$
jeemain
physics
class12
unit16
wave-optics
polarisation
easy
asked
Jan 23, 2014
by
meena.p
1
answer
In a single slit experiment a wave of wavelength $0.2 \;cm$ is incident normally on a slit of width $0.004\;m$ . What is the semi angular width of the central maxima.
jeemain
physics
class12
unit16
wave-optics
diffraction
easy
asked
Jan 23, 2014
by
meena.p
1
answer
The first diffraction minima due to a single diffraction is at $30^{\circ}$ for a light of wave length $5000A^{\circ}$ the width of slit is
jeemain
physics
class12
unit16
wave-optics
diffraction
medium
asked
Jan 23, 2014
by
meena.p
1
answer
The maximum distance a person having defect of short right can see clearly is 4 meters. The power of lens required to correct is
jeemain
physics
class12
unit16
ray-optics-and-optical-instruments
optical-instruments
easy
asked
Jan 23, 2014
by
meena.p
1
answer
In Young's double slit experiment if width of slit is made 3 folds, the fringe width becomes
jeemain
physics
class12
unit16
wave-optics
youngs-double-slit-experiment
easy
asked
Jan 23, 2014
by
meena.p
1
answer
The contrast in the dark and bright fringes in any interference pattern depends on
jeemain
physics
class12
unit16
wave-optics
addition-of-waves
easy
asked
Jan 23, 2014
by
meena.p
1
answer
A double convex lens $(\mu =1.5) $ has its focal length 10 cm. What will be its focal length if it is immersed in liquid of $(\mu_1=\large\frac{4}{3})$
jeemain
physics
class12
unit16
ray-optics-and-optical-instruments
refraction-at-spherical-surfaces-and-lenses
medium
asked
Jan 23, 2014
by
meena.p
1
answer
The objective of a telescope has a diameter 5 cm. What is the angular seperation in radius of two starts which can be resolved by the telescope when light of $3000 A^{\circ}$ is used.
jeemain
physics
class12
unit16
ray-optics-and-optical-instruments
optical-instruments
medium
asked
Jan 23, 2014
by
meena.p
1
answer
In a thermodynamic process, neon obeys the law $TP^{\large\frac{2}{5}}$ = constant. If the temperature of 2 moles of gas is raised from T to 5T, then the heat given to gas (consider ideal behaviour) is what?
jeemain
physics
kinetic-theory-of-gases
class11
ch13
medium
specific-heat-capacity
molar-specific-heat
adiabatic-process
asked
Jan 23, 2014
by
balaji.thirumalai
1
answer
The magnifying power of telescope is 9. when it is adjusted for parallel rays, the distance between objective and eye piece is found to be 20 cm. The focal length of lenses are
jeemain
physics
class12
unit16
ray-optics-and-optical-instruments
optical-instruments
medium
asked
Jan 23, 2014
by
meena.p
1
answer
In a thermodynamic process, an ideal monoatomic gas follows the law $TP^{\large\frac{3}{5}} = $ constant. If temperature of 2 moles of gas is raised from T to 4 T, then what is the heat given to the gas?
jeemain
physics
kinetic-theory-of-gases
class11
ch13
difficult
specific-heat-capacity
molar-specific-heat
asked
Jan 23, 2014
by
balaji.thirumalai
1
answer
If a gas is made to expand in such a way that pressure increases and its final and initial volumes are equal then which of the following statements must be true?
jeemain
physics
kinetic-theory-of-gases
class11
ch13
behaviour-of-gases
ideal-gas-law
medium
asked
Jan 23, 2014
by
balaji.thirumalai
1
answer
Light is incident at $30^{\circ}$ on one side of a right angled isosceles prism of $\mu =\large\frac{3}{2}$. What will be the angle of emergence.
jeemain
physics
class12
unit16
ray-optics-and-optical-instruments
refraction-by-a-prism
difficult
asked
Jan 23, 2014
by
meena.p
1
answer
If a gas is made to expand in such a way that its final and initial pressure are equal then which of the following statements cannot be true?
jeemain
physics
kinetic-theory-of-gases
class11
ch13
behaviour-of-gases
ideal-gas-law
medium
asked
Jan 23, 2014
by
balaji.thirumalai
1
answer
A gas is made to expand in such a way that its final and initial temperatures are equal and also the process followed by the gas traces a straight line of the PV diagram. Then, which of the following statements is true?
jeemain
physics
kinetic-theory-of-gases
class11
ch13
behaviour-of-gases
ideal-gas-law
medium
asked
Jan 23, 2014
by
balaji.thirumalai
1
answer
The temperature versus volume of an ideal gas is shown below.
jeemain
physics
kinetic-theory-of-gases
class11
ch13
behaviour-of-gases
ideal-gas-law
medium
asked
Jan 22, 2014
by
balaji.thirumalai
1
answer
Pressure versus Temperature graph of an ideal gas is shown below. Then which of the options that follow forms the corresponding P-V Diagram?
jeemain
physics
kinetic-theory-of-gases
class11
ch13
behaviour-of-gases
ideal-gas-law
medium
asked
Jan 22, 2014
by
balaji.thirumalai
1
answer
A 150m long train is moving with uniform velocity of 45km / h. The time taken by train to cross the bridge of length 850m is ?
physics
kinematics
asked
Jan 22, 2014
by
balaji.thirumalai
1
answer
Which of the following quantities depend on temperatures only for a given ideal gas?
jeemain
physics
kinetic-theory-of-gases
class11
ch13
behaviour-of-gases
kinetic-theory-of-an-ideal-gas
kinetic-interpretation-of-temperature
easy
asked
Jan 22, 2014
by
balaji.thirumalai
1
answer
Which of the following quantities depend on temperatures only for a given ideal gas?
jeemain
physics
kinetic-theory-of-gases
class11
ch13
behaviour-of-gases
kinetic-theory-of-an-ideal-gas
pressure-of-an-ideal-gas
easy
asked
Jan 22, 2014
by
balaji.thirumalai
1
answer
The molar heat capacity for an ideal gas is?
jeemain
physics
kinetic-theory-of-gases
class11
ch13
specific-heat-capacity
molar-specific-heat
medium
adiabatic-process
easy
asked
Jan 22, 2014
by
balaji.thirumalai
1
answer
Which of the following statements is false about the molar heat capacity of the ideal gas?
jeemain
physics
kinetic-theory-of-gases
class11
ch13
specific-heat-capacity
molar-specific-heat
medium
easy
asked
Jan 22, 2014
by
balaji.thirumalai
1
answer
Which of the following quantities is independent of the nature of gas at the same temperature?
kinetic-theory-of-an-ideal-gas
jeemain
physics
kinetic-theory-of-gases
class11
ch13
kinetic-interpretation-of-temperature
easy
asked
Jan 22, 2014
by
balaji.thirumalai
1
answer
The quantity $\large\frac {mRT^2}{\rho}$ of an ideal gas is proportional to the:
jeemain
physics
kinetic-theory-of-gases
class11
ch13
behaviour-of-gases
ideal-gas-law
easy
asked
Jan 22, 2014
by
balaji.thirumalai
2
answers
Internal energy of a system remains constant when it undergoes?
kinetic-theory-of-an-ideal-gas
jeemain
physics
kinetic-theory-of-gases
class11
ch13
kinetic-interpretation-of-temperature
easy
asked
Jan 22, 2014
by
balaji.thirumalai
1
answer
A gas with $\large\frac {C_p}{C_v} = \gamma$ goes from an initial state of $(P_1,V_1,T_1)$ to a final state of $(P_2,V_2,T_2)$ through an adiabatic process. The work done by the gas is?
jeemain
physics
kinetic-theory-of-gases
class11
ch13
specific-heat-capacity
molar-specific-heat
medium
adiabatic-process
easy
asked
Jan 22, 2014
by
balaji.thirumalai
1
answer
In a given process, $\large\frac{1}{k}$th part of the supplied heat goes in raising internal energy of the gas. Finding the molar specific heat of the gas and the process gives?
jeemain
physics
kinetic-theory-of-gases
class11
ch13
specific-heat-capacity
molar-specific-heat
medium
asked
Jan 22, 2014
by
balaji.thirumalai
1
answer
In a given gas sample of Hydrogen, one fifth of the heat supplied is used to raise the internal energy of the gas. Finding the molar specific heat of the gas gives?
jeemain
physics
kinetic-theory-of-gases
class11
ch13
specific-heat-capacity
molar-specific-heat
medium
asked
Jan 22, 2014
by
balaji.thirumalai
1
answer
Neon gas has undertaken a process in which the pressure and the volume are changed according to the equation $P=kV^k$. The molar hear capacity of the gas for the process is given by?
jeemain
physics
kinetic-theory-of-gases
class11
ch13
specific-heat-capacity
molar-specific-heat
medium
asked
Jan 22, 2014
by
balaji.thirumalai
1
answer
Helium gas has undertaken a process in which the pressure and the volume are changed according to the equation $P=kV^2$. If $C_v$ is the molar specific heat at constant volume, then the molar hear capacity of the gas for the process is given by?
jeemain
physics
kinetic-theory-of-gases
class11
ch13
specific-heat-capacity
molar-specific-heat
medium
asked
Jan 22, 2014
by
balaji.thirumalai
1
answer
Light is incident normally on a diffraction grating through first order diffraction is seen at $32^{\circ}$ second order diffraction will be seen at
jeemain
physics
class12
unit16
wave-optics
diffraction
medium
asked
Jan 22, 2014
by
meena.p
1
answer
If $2$ moles of an ideal monoatomic gas at tempterature $5T_0$ is mixed with $3$ moles of another ideal monoatomic gas at temperature $3T_0$, what will be the temperature of the mixture?
jeemain
physics
kinetic-theory-of-gases
class11
ch13
behaviour-of-gases
ideal-gas-law
medium
asked
Jan 22, 2014
by
balaji.thirumalai
1
answer
A vessel of height h is half filled with one liquid of refractive index $\mu_1 $ and upper half filled with another liquid of refractive index $\mu_2$ The apparent depth of the vessel is
jeemain
physics
class12
unit16
ray-optics-and-optical-instruments
refraction
medium
asked
Jan 22, 2014
by
meena.p
1
answer
If $1$ mole of an ideal monoatomic gas is mixed with 2 moles of an ideal diatomic gas, what is the temperature of the given mixture, given that the monoatomic gas is at temperature $T_0$ and diatomic gas is at temperature $2T_0$?
jeemain
physics
kinetic-theory-of-gases
class11
ch13
behaviour-of-gases
ideal-gas-law
medium
asked
Jan 22, 2014
by
balaji.thirumalai
1
answer
A beam of light strikes a pieces of glass at an angle of incidence of $60^{\circ}$ and the reflected beam is completely plane polarized . The refractive index of glass is
jeemain
physics
class12
unit16
wave-optics
polarisation
medium
asked
Jan 22, 2014
by
meena.p
1
answer
Page:
« prev
1
...
387
388
389
390
391
392
393
...
400
next »
Home
Ask
Tuition
Questions
Practice
Your payment for
is successful.
Continue
...