Question
Solution
The correct answer is C
If radius of earth is R then the height ‘h’ at which the value of ‘g’ becomes one-fourth is-
Which of the following has the highest frequency? Â
A ray of light passing through an equilateral triangular glass prism from air undergoes minimum deviation when angle of incidence is 75% of the angle o...
What is the work done by a centripetal force on an object moving in a circular path at constant speed?
A string of length L is fixed at both ends. It supports a standing wave with 3 antinodes. If the speed of the wave on the string is v, what is the freq...
A body is thrown vertically upward. The work done by gravity is:Â
Magnetic susceptibility of a diamagnetic material is:
Two spherical soap bubbles of radii r1 and r2 coalesce to form a bubble of radius R. If surface tension of soap solution is T, atmospheric pressure is P...
A block of mass 2kg is pushed against a light spring of spring constant 200N/m and compressed by 0.2m on a horizontal surface with kinetic friction coe...
Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by –
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