1.
Nights are cooler in the deserts than in the plains because-
2.
At what distance should a girl stand in front of a concave spherical mirror with a radius of 120 cm to see an erect image of her face magnified four times its natural size?
3.
The energy that can be generated by utilizing the heat stored beneath the Earth's surface is referred to as-
4.
A body moving with a constant speed along a curved path experiences an acceleration that is-
5.
A water tank seems less deep when observed from above because of-
6.
When a beam of white light hits an object's surface and all the colors are reflected, how would the surface appear?
7.
During the dispersion of white light through a prism, the light wave with the shortest wavelength-
8.
The ratio of the speed of X-rays to that of gamma rays-
9.
Which type of waves is used in sonography-
10.
A laser beam is always-
11.
Gamma ray consists of-
12.
The product of conductivity and resistivity of a conductor-
13.
What is the maximum number of different electrical combinations possible with 3 equal resistances?
14.
Learned Indian classical vocalists do not prefer the accompaniment of a harmonium because-
15.
If a shell following a parabolic trajectory due to gravity explodes, what happens to the motion of the center of mass of the resulting fragments?
16.
The resistance of an ideal voltmeter is-
17.
When a bullet strikes and becomes embedded in a stationary solid block placed on a frictionless horizontal surface, which physical quantity remains conserved during this event?
18.
The electron microscope was invented by-
19.
The ray with the least penetrating power is-
20.
The principle of Bernoulli's theorem is derived from the conservation of-
21.
The velocity of sound increases when-
22.
The angular separation between two colors in the spectrum is influenced by-
23.
The distance between two consecutive crests in a wave is known as-
24.
Which of the following is not a vector quantity?
25.
For a particle undergoing simple harmonic motion, the total energy is directly proportional to its-
