Find the value of the angle of emergence from the prism. Refractive index of the glass is $\sqrt 3$.

(1) $60^{\circ}$
(2) $30^{\circ}$
(3) $45^{\circ}$
(4) $90^{\circ}$ Continue reading Find the value of the angle of emergence ….
Find the value of the angle of emergence from the prism. Refractive index of the glass is $\sqrt 3$.

(1) $60^{\circ}$
(2) $30^{\circ}$
(3) $45^{\circ}$
(4) $90^{\circ}$ Continue reading Find the value of the angle of emergence ….

Quantization of charge is a fundamental principle in physics that describes the fact that electric charge is always observed in discrete, quantized amounts. This means that the charge of any object or system can only take on certain specific values, which are always integer multiples of a fundamental unit of charge. Continue reading Quantization of Charge
Here are the main differences between sound waves and light waves: Continue reading Sound Waves Vs Light Waves

The principle of conservation of angular momentum states that the total angular momentum of a closed system remains constant, if no external torque acts upon it. In other words, if an object is rotating, it will continue rotating at the same speed and in the same direction unless acted upon by an external force. Continue reading Conservation of Angular Momentum

A diode is a two-terminal electronic component that conducts current primarily in one direction. It is made up of a semiconductor material, typically silicon, with impurities added to create a p-n junction. Continue reading Diode
A small object of mass m is projected vertically upwards. Its rate of change of momentum $\frac {dp_y}{dt}$ at some instant as it moves upwards ignoring air resistance is given by,
(A) mg
(B) -mg
(C) 0
(D) 2mg