Question
Thermal efficiency of diesel engine varies between
Solution
A diesel engine can convert 32% to 38% of the energy in the fuel into useful mechanical work, while the remaining energy is lost as waste heat.
The distance between the focus and the centre of curvature of a spherical mirror in terms of the radius of curvature R, is equal to:
In an experimental arrangement of a Fresnel's biprism, monochromatic light of wavelength 2. is used to produce interference fringe pattern. On introduc...
A stone thrown upward with a speed ’u’ from the top of the tower reaches the ground with a speed ‘3u’. The height of the tower is-
A larger force on a rotating body results in larger _____.
In Young’s double-slit experiment, if the distance between slits is increased, fringe width:
Which of the following phenomena cannot be explained by the wave theory of light?
The law of reflection states that the angle of incidence is equal to the angle of reflection. What is the angle of incidence when the angle of reflectio...
The velocity of heat radiation in a vacuum is?
What type of lens is used to correct myopia (shortsightedness)?
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...
