General Science

Q2361.When a CD (Compact disc used in audio and video systems) is seen in Sunlight, rainbow-like colours is seen. This can be explained on the basis of the phenomenon of

Q2362.Television signals cannot be received beyond a certain distance because

Q2363.The technique used to transmit auto signals in television broadcasts is

Q2364.The image formed on Retina is

Q2365.Which type of image of an object is formed by eye lens of the retina?

Q2366.The principle reason why it is better to have two eyes than one is that

Q2367.Direct viewing of Sun during total solar eclipse causes irreversible damage to eyes. The retinal burn is caused by which one of the following components of the Sun rays?

Q2368.The colour of the star is an indication of its

Q2369.Diffusion of light in the atmosphere takes place due to

Q2370.For the myopic eye, the defect is cured by

Q2371.The colour of light is determined by its

Q2372.Which one of the colours has the longest wavelength?

Q2373.In the visible spectrum, the colour having the shortest wavelength is

Q2374.Which one among the following has the highest energy?

Q2375.The Sun is visible to us a few minutes before the actual sunrise because of

Q2376.The Sun and the Moon appear elliptical near the horizon because of

Q2377.Photosynthesis using the invisible part of the Sunlight is done by some

Q2378.Red light is used in traffic signals because

Q2379.The Sky appears blue due to

Q2380.Sky is blue because