Question
The central government aims to eliminate which disease
by 2025?Solution
The correct answer is A
The absolute temperature of a body A is five times that of another body B. For two bodies, the difference in wave lengths at which energy radiated is ma...
Which device measures temperature?
An object initially at rest explodes into several fragments. If no external forces act during the explosion, the center of mass of the fragments will:
What is the formula for density? Â
A porter lifts luggage of 20 kg from the ground and puts it on his head 2 m above the ground. Calculate the work done by him on the luggage (take g = 10...
A light ray enters a glass slab from air at 60° incidence. If refractive index of glass is √3, what is angle of refraction?
A stone of mass 0.08 kg is thrown vertically upwards. Give the direction and magnitude of the net force on the stone during its downward motion. Ignore ...
What is the phenomenon of bending of light around corners called? Â
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...
What is the main principle behind the working of an electric motor? Â
