Question
For newly born chicks for how many hours they should not
be fed with anything?Solution
Newly-hatched chicks have recently absorbed the egg yolk, they do not need to eat or drink for at least 24 hours.
A ball is projected from the ground at 45°. It strikes a vertical wall and rebounds with the same speed making the same angle on the other side. If th...
In the absence of ozone layer, which rays will enter into atmosphere?
A plane mirror is placed on a wall. A man walks directly toward the mirror at 2 m/s. The speed at which his image approaches him is:
The force of attraction between two masses is called —
A non-conducting sphere of radius R has a radially varying charge density ρ(r) = k•r. Find the electric field at a distance r < R.
Ratio of intensities of two waves with amplitudes 2 and 3 is:
A particle is projected such that its velocity vector sweeps equal angles with horizontal at equal time intervals. The motion is best described as:

In a Young’s double slit experiment, a glass plate is introduced in front of one slit. The central fringe shifts but the fringe width remains unchange...
What is the phenomenon of the bending of light as it passes from one medium to another called?