1> If an object is falling from above, its weight remains ?
(d) None of the above
2> The weight of anybody is ?
(a) Same at every place on earth’s surface
(b) Maximum at poles
(c) More on equator
(d) More on mountains than in planes
3> At which temperature density of water is maximum?
4> The clouds float in the atmosphere because of their low ?
5> In fiber-optics communication, the signal travels in the form of ?
(b) Radio wave
(d) Electric wave
6> The image formed on Retina is ?
(a) Equal to object but inverted
(b) Smaller than object but straight
(c) Smaller than object but inverted
(d) Equal to object but straight
7> When water is heated from 0°C to 10°C. It’s volume ?
(c) Does not change
(d) First decreases and then increases
8> Sound waves ?
(a) Can travel in vacuum
(b) Can travel only in solids
(c) Can travel only in gases.
(d) Can travel both in solid and gaseous medium.
9> Who discovered Television?
10> The characteristic of super conductor is ?
(a) High permeability
(b) Low permeability
(c) Zero permeability
(d) Infinite permeability
ANSWER:- 1> B , 2> B , 3> A, 4>D, 5>A, 6>C, 7>D, 8>D, 9>C, 10>C .