1.
The electron microscope was invented by-
2.
The principle of Bernoulli's theorem is derived from the conservation of-
3.
When a beam of white light hits an object's surface and all the colors are reflected, how would the surface appear?
4.
A water tank seems less deep when observed from above because of-
5.
The ratio of the speed of X-rays to that of gamma rays-
6.
The resistance of an ideal voltmeter is-
7.
A laser beam is always-
8.
Which type of waves is used in sonography-
9.
A body moving with a constant speed along a curved path experiences an acceleration that is-
10.
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?
11.
Learned Indian classical vocalists do not prefer the accompaniment of a harmonium because-
12.
Which of the following is not a vector quantity?
13.
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?
14.
For a particle undergoing simple harmonic motion, the total energy is directly proportional to its-
15.
The angular separation between two colors in the spectrum is influenced by-
16.
The ray with the least penetrating power is-
17.
What is the maximum number of different electrical combinations possible with 3 equal resistances?
18.
The distance between two consecutive crests in a wave is known as-
19.
The product of conductivity and resistivity of a conductor-
20.
During the dispersion of white light through a prism, the light wave with the shortest wavelength-
21.
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?
22.
Nights are cooler in the deserts than in the plains because-
23.
The energy that can be generated by utilizing the heat stored beneath the Earth's surface is referred to as-
24.
The velocity of sound increases when-
25.
Gamma ray consists of-
