SAARC comprises of eight member States: Afghanistan Bangladesh Bhutan India Maldives Nepal Pakistan Sri Lanka
Which of the following is the ultimate source of energy?
Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by –
In the equation of motion ( v = u + at ), ( u) represents:
An object is placed at a distance of 10 cm in front of a double convex lens made of glass of refractive index 1.5. Both the radii of curvature of the le...
If a medium has a critical angle for total internal reflection from the medium to vacuum as 90°, what is the velocity of light in the medium? (Take c =...
The wave nature of matter was proposed by:
Sensitivity of the human eye is maximum in the –
Why does a lemon appear larger when viewed from the side of a glass of water?
The electric and magnetic fields of an electromagnetic wave are _____________
A sudden drop in barometric pressure indicates which of the following?
