In the absence of ozone layer, which rays will enter into atmosphere?
The unit 'Weber' is associated with which of the following?
The unit of measurement of noise is –
Light from a point source in air falls on a spherical glass surface (n=1.5 c and radius of curvature = 10 cm). The distance of the light source from the...
Which of the following rays are not deflected by a magnetic field?
When a forward bias is applied to a p-n junction, it
The term ‘Isoneph' indicates the lines of equal –
The surface tension of water on adding detergent to it –
What term refers to the superposition of two or more coherent waves to produce regions of maxima and minima?
The resistance of the human body (dry condition) is of the order of –
