Amongst the following, which state celebrates Gangaur festival?
The correct answer is B
__________ is the metal used for making the filament of the light bulb.
What is the focal length of a double convex lens for which the radius of curvature of each surface is 30 cm and the refractive index of glass is 2.50 ?
The refractive index of glass is 1.5. What is the speed of light in glass?
(Speed of light in vacuum is 3.0 ×108 m s-1)
Global warming is expected to result in
A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F. because the method involves:
What will be the energy possessed by a stationary object of mass 10 kg placed at a height of 20 m above the ground? (Take g = 10 m/s^2)
The energy emitted by the Sun is due to
Which of the following statement is correct?
I. Magnetite is a natural magnet
II. A freely suspended magnet always aligns in N-S direction
A sugar solution in a tube of length 2.0 dm produces optical rotation of 12°. Then, the sugar solution is diluted to one half of its initial concentra...
The group velocity of matter waves associated with a moving particle is: