Physics - 08
36. In case of an ideal gas, Joule-Thomson effect is
(A) negative
(B) infinite
(C) zero
(D) positive.
(A) negative
(B) infinite
(C) zero
(D) positive.
Correct Answer: [C] zero.
37. A ball is dropped from a given height. If its collision with the ground is fully elastic, it will reach a height
(A) More than before
(B) Less than before
(C) Height will not depend on an elasticity
(D) Same as before.
(A) More than before
(B) Less than before
(C) Height will not depend on an elasticity
(D) Same as before.
Correct Answer: [D] Same as before..
38. Dentists use this mirror. Dentists use
(A) Concave Mirror
(B) Convex
(C) Special Mirror
(D) Plane Mirror.
(A) Concave Mirror
(B) Convex
(C) Special Mirror
(D) Plane Mirror.
Correct Answer: [A] Concave Mirror.
39. What is stored in a storage cell?
(A) Lead or some other metal
(B) Chemical energy
(C) Electric charge
(D) Electric potential.
(A) Lead or some other metal
(B) Chemical energy
(C) Electric charge
(D) Electric potential.
Correct Answer: [B] Chemical energy.
40. The only vector quantity among the following is
(A) Electric field intensity
(B) Electric resistance
(C) Electric charges
(D) Electric potential.
(A) Electric field intensity
(B) Electric resistance
(C) Electric charges
(D) Electric potential.
Correct Answer: [A] Electric field intensity.
0 Comments:
Post a Comment