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Recent questions tagged physics
Questions
Rahul plays with 5 litre water can by putting holes in it at various levels vertically. Let's name the holes as 1, 2, 3, 4 respectively starting from the mouth of the water can to the bottom line. Now if the can is filled with water, which one hole will exert the water with high pressure ?
cbsc
class 8
olympiad
science
physics
t3
asked
Nov 9, 2017
by
priyanka.c
1
answer
Which of the following are due to force?
cbsc
class 8
olympiad
science
physics
t3
asked
Nov 9, 2017
by
priyanka.c
1
answer
What is the formula used to calculate the number of image formed by multiple reflection ?
cbsc
class 8
olympiad
science
physics
t2
asked
Nov 9, 2017
by
priyanka.c
1
answer
Which kind of vision is supported by the optic nerves called rods?
cbsc
class 8
olympiad
science
physics
t2
asked
Nov 9, 2017
by
priyanka.c
1
answer
Which among the following is not a terrestrial planet ?
cbsc
class 8
olympiad
science
physics
t2
asked
Nov 9, 2017
by
priyanka.c
1
answer
How many planets are there in our solar system ?
cbsc
class 8
olympiad
science
physics
t2
asked
Nov 9, 2017
by
priyanka.c
1
answer
Which gas is converted in the cores of stars while giving out energy?
cbsc
class 8
olympiad
science
physics
t2
asked
Nov 9, 2017
by
priyanka.c
1
answer
What is pitch of the sound ?
cbsc
class 8
olympiad
science
physics
t2
asked
Nov 9, 2017
by
priyanka.c
1
answer
There are two reflecting parallel surfaces,with their reflecting surfaces f
physics
asked
Nov 9, 2017
by
c17313813
1
answer
An electirc field in free space is given by E=50cos(10+Bx)ay V/M .determine
physics
asked
Nov 9, 2017
by
xachkimani
1
answer
Derive an expression for the total current flowing through an arbitrary sur
physics
asked
Nov 9, 2017
by
xachkimani
0
answers
Why is sound not audible in vacuum medium ?
cbsc
class 8
olympiad
science
physics
t2
asked
Nov 9, 2017
by
priyanka.c
1
answer
Which of the following is the cause for earthquake ?
cbsc
class 8
olympiad
science
physics
t2
asked
Nov 9, 2017
by
priyanka.c
1
answer
What is the device that is used to measure the magnitude of the force acting on an object called?
cbsc
class 8
olympiad
science
physics
t2
asked
Nov 9, 2017
by
priyanka.c
1
answer
What is the force that refrains one solid surface from sliding across another solid surface called ?
cbsc
class 8
olympiad
science
physics
t2
asked
Nov 9, 2017
by
priyanka.c
1
answer
In the process of electrolysis, what does reduction mean?
cbsc
class 8
olympiad
science
physics
t2
asked
Nov 9, 2017
by
priyanka.c
1
answer
In the process of electrolysis of water, what happens at the anode ?
cbsc
class 8
olympiad
science
physics
t2
asked
Nov 9, 2017
by
priyanka.c
1
answer
What are the materials that do not allow the flow of electricity through them called ?
cbsc
class 8
olympiad
science
physics
t2
asked
Nov 9, 2017
by
priyanka.c
1
answer
In a closed container, fluid pressure is caused by _______.
cbsc
class 8
olympiad
science
physics
t2
asked
Nov 9, 2017
by
priyanka.c
1
answer
The air pressure is at it's highest at _______.
cbsc
class 8
olympiad
science
physics
t2
asked
Nov 9, 2017
by
priyanka.c
1
answer
According to the law of reflection, the incident ray, the reflected ray and the point of reflection all lie _______.
cbsc
class 8
olympiad
science
physics
t1
asked
Nov 9, 2017
by
priyanka.c
1
answer
Which optic nerve cell is sensitive to bright light ?
cbsc
class 8
olympiad
science
physics
t1
asked
Nov 9, 2017
by
priyanka.c
1
answer
In multiple reflection, if the angle between the mirror is decreased then the number of images formed is ________.
cbsc
class 8
olympiad
science
physics
t1
asked
Nov 9, 2017
by
priyanka.c
1
answer
Whether stars produce their own light ?
cbsc
class 8
olympiad
science
physics
t1
asked
Nov 9, 2017
by
priyanka.c
1
answer
Which of the following is not a celestial body?
cbsc
class 8
olympiad
science
physics
t1
asked
Nov 9, 2017
by
priyanka.c
1
answer
2 Two mutually perpendicular wire carry charge densities λ1 and λ2. The e
physics
asked
Nov 9, 2017
by
prakhar.c100
1
answer
What is the maximum amplitude of sound a human can hear ?
cbsc
class 8
olympiad
science
physics
t1
asked
Nov 9, 2017
by
priyanka.c
1
answer
2 Two mutually perpendicular wire carry charge densities λ1 and λ2. The e
physics
asked
Nov 9, 2017
by
prakhar.c100
1
answer
What differentiates the voice of men, women and children ?
cbsc
class 8
olympiad
science
physics
t1
asked
Nov 9, 2017
by
priyanka.c
1
answer
What happens when the number of protons in an atom equals the number of electrons in it?
cbsc
class 8
olympiad
science
physics
t1
asked
Nov 9, 2017
by
priyanka.c
1
answer
How does a ship float on water?
cbsc
class 8
olympiad
science
physics
t1
asked
Nov 9, 2017
by
priyanka.c
1
answer
What is the friction that exists between a stationary object and the surface on which it's resting called?
cbsc
class 8
olympiad
science
physics
t1
asked
Nov 9, 2017
by
priyanka.c
1
answer
How do metals conduct electricity ?
cbsc
class 8
olympiad
science
physics
t1
asked
Nov 9, 2017
by
priyanka.c
1
answer
What are electrons made up of ?
cbsc
class 8
olympiad
science
physics
t1
asked
Nov 9, 2017
by
priyanka.c
1
answer
What is the term by which pressure is measured ?
cbsc
class 8
olympiad
science
physics
t1
asked
Nov 9, 2017
by
priyanka.c
1
answer
A uniform hollow sphere of radius R is set into motion on a rough horizonta
physics
asked
Nov 9, 2017
by
nicrphantim123
1
answer
two blocks a and b 30 kg and 40 kg are connected by means of a bar placed o
physics
asked
Nov 8, 2017
by
anup15.bbl
1
answer
What is the pressure exerted by the weight of the air in the atmosphere called as?
cbsc
class 8
olympiad
science
physics
t1
asked
Nov 8, 2017
by
priyanka.c
1
answer
Is gravity a force ?
cbsc
class 8
olympiad
science
physics
t1
asked
Nov 8, 2017
by
priyanka.c
1
answer
Which of the following does not use convex lens ?
cbsc
class 7
olympiad
science
physics
t9
asked
Nov 8, 2017
by
priyanka.c
1
answer
What does a magnifying glass comprise of ?
cbsc
class 7
olympiad
science
physics
t9
asked
Nov 8, 2017
by
priyanka.c
1
answer
Which of the following is dynamic electricity ?
cbsc
class 7
olympiad
science
physics
t9
asked
Nov 8, 2017
by
priyanka.c
1
answer
A vehicle is moving on a road with an acceleration a =20 m/s^2 and it's ver
physics
asked
Nov 8, 2017
by
shilpimazumdar874
0
answers
The lenses which are thicker in the middle than at the edges are called as _______
cbsc
class 7
olympiad
science
physics
t9
asked
Nov 8, 2017
by
priyanka.c
1
answer
What is the instrument used to measure electric current called?
cbsc
class 7
olympiad
science
physics
t9
asked
Nov 8, 2017
by
priyanka.c
1
answer
The strength of an electro magnet depends upon the _______.
cbsc
class 7
olympiad
science
physics
t9
asked
Nov 8, 2017
by
priyanka.c
1
answer
Weather radar provides information about _______
cbsc
class 7
olympiad
science
physics
t9
asked
Nov 8, 2017
by
priyanka.c
1
answer
What are the factors that affect the weather?
cbsc
class 7
olympiad
science
physics
t9
asked
Nov 8, 2017
by
priyanka.c
1
answer
Why is it that the gases near the surface of the earth is denser than at high altitude?
cbsc
class 7
olympiad
science
physics
t9
asked
Nov 8, 2017
by
priyanka.c
1
answer
Which of the following is faster?
cbsc
class 7
olympiad
science
physics
t9
asked
Nov 8, 2017
by
priyanka.c
1
answer
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