Recent questions tagged medium

Nerve toxins are

asked Jan 21, 2014 by sreemathi.v

1 answer

Green house gases radiate back the following radiations to the earth surface

asked Jan 21, 2014 by sreemathi.v

1 answer

Which of the following is not the effect of acid rain

asked Jan 21, 2014 by sreemathi.v

1 answer

A high or good quality water will have

asked Jan 21, 2014 by sreemathi.v

1 answer

Due to fluorosis disease

asked Jan 21, 2014 by sreemathi.v

1 answer

Which of the following can be removed by ion exchange method

asked Jan 21, 2014 by sreemathi.v

1 answer

What is the converse of the statement: n is divisible by 3, if the sum of digits of n is divisible by 3?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

What is the contrapositive of the statement: If $f(2)=0$, then $ f(x)$ is divisible by $(x-2)$?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

What is the converse of the statement: If $x-4 = 5$, then $x=9$?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

What is the contradiction of the statement: In $ \Delta ABC,\: if\: AB=AC$, then angles $C=B$?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

What is the negation of the statement, Rashmi is tall, and therefore, she is slim?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

What is the negation of the statement, If it rains, the humidity increases?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Indicate the Premise2 in the following Premise1: All integers less than zero are negativenumbers. Conclusion : y is a negative number.

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Which is a false statement?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Which of the following is a true statement?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Which counter example cannot be used to show that the statement, if n is an odd integer then n is prime is false?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Which of the following statements do not convey the same meaning as, If a natural number is even then its square is also even?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Which of the following statements do not convey the same meaning as, If a triangle is equiangular then it is an obtuse angled triangle.?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Identify the contrapositive of the statement, If 2 is the only even prime number then 6 is divisible by 3.

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Identify the contrapositive of the statement, If 2 lines are intersecting then they are not parallel.

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Identify the converse of the statement: If x is a prime number then x is even.

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Identify the converse of the statement: If a parallelogram is a square then it is a rhombus?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Which statement represents the inverse of the statement "If it is snowing, then Skeeter wears a sweater."?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

A lens made of material of refractive index $\mu =\large\frac{3}{2} $ when placed in air behaves as shown in figure (1) . But when placed in a medium of refractive index $\mu_s$ it behaves as shown in figure (2) . Then the value of $\mu_s $ is

asked Jan 20, 2014 by meena.p

1 answer

If BOD of river is high

asked Jan 20, 2014 by sreemathi.v

1 answer

What happens when chlorides are heated with $NH_4Cl$

asked Jan 20, 2014 by sreemathi.v

1 answer

The statement: 5 divides 20 if 5 divides -20, in if-then form would be

asked Jan 20, 2014 by thanvigandhi_1

1 answer

The statement: 24 is divisible by 6 if 25 is a multiple of 5, in if-then form would be

asked Jan 20, 2014 by thanvigandhi_1

1 answer

A ray of light strikes a material of refractive index $\mu= \sqrt 3$. If the reflected and refracted light are perpendicular to each other, what is the angle of incidence.

asked Jan 20, 2014 by meena.p

1 answer

Cracking of rubber is due to

asked Jan 20, 2014 by sreemathi.v

1 answer

The statement: A rectangle is a square if all the 4 sides are equal, in if-then form would be

asked Jan 20, 2014 by thanvigandhi_1

1 answer

What is the negation of: For every real number $x ,x \gt x+2$?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Supersonic jets cause pollution by thinning of

asked Jan 20, 2014 by sreemathi.v

1 answer

In which of the following statements is the OR inclusive?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Lichens can serve as pollution

asked Jan 20, 2014 by sreemathi.v

1 answer

In which statement is the OR exclusive?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

If $ t$ and $ c$ denote a tautology and a contradiction respectively, then for any statement $p, p \wedge t$ is equal to

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Caliche is used in manufacture of

asked Jan 20, 2014 by sreemathi.v

1 answer

If p : Nidhi is a girl and q : Anurag is a boy, then the statement: Nidhi is a girl and Anurag is a boy, is written in symbols as

asked Jan 20, 2014 by thanvigandhi_1

1 answer

What is the negation of: Ram is in class X or Rashmi is in class XII?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Laughing gas is also known as

asked Jan 20, 2014 by sreemathi.v

1 answer

"If Deb and Sam go to the mall, then it is snowing." Which statement below is logically equivalent?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Carbogen is a mixture of

asked Jan 20, 2014 by sreemathi.v

1 answer

If Susan does not like spinach, what is the truth value of the statement "Susan likes ice cream and she like spinach."?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Plane surface of plane - convex lens is silvered and it then acts like a concave mirror of focal length . 30 cm. If the refractive index of the lens is 1.5 , the radius of curvature of convex surface is

asked Jan 20, 2014 by meena.p

1 answer

The sentence "____ if and only if $ x + x = 3x$" is TRUE. Which of the following could be used to fill in the blank?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

The sentence "____ if and only if $ x + x = 3x$" is TRUE. Which of the following could be used to fill in the blank?

asked Jan 20, 2014 by thanvigandhi_1

1 answer

Carbon molecules having $C60$ formulae are known as

asked Jan 20, 2014 by sreemathi.v

1 answer

A point object is placed at the centre of a glass sphere of radius 6 and refractive index 1.5 . The distance of the virtual image from the surface of the sphere is

asked Jan 20, 2014 by meena.p

1 answer

What is the nature of classical smog?

asked Jan 20, 2014 by sreemathi.v

1 answer

Ask Questions, Get Answers