Description Frequently Asked Questions How to prepare for IIT-JEE Physics? To prepare for IIT-JEE Physics, focus on understanding concepts rather than memorizing formulas. Practice solving … Read More
Description To an ac power supply of 220 V at 50 Hz, a resistor of 20 Ω, a capacitor of reactance 25 Ω and an … Read More
Description In some appropriate units, time (t) and position (x) relation of a moving particle is given by t = x2 + x. The acceleration … Read More
Description An oxygen cylinder of volume 30 litre has 18.20 moles of oxygen. After some oxygen is withdrawn from the cylinder, its gauge pressure drops … Read More
Description In a certain camera, a combination of four similar thin convex lenses are arranged axially in contact. Then the power of the combination and … Read More
Description A 2 amp current is flowing through two different small circular copper coils having radii ratio 1 : 2. The ratio of their respective … Read More
Description AB is a part of an electrical circuit (see figure). The potential difference “VA – VB”, at the instant when current i = 2 … Read More
Description The electric field in a plane electromagnetic wave is given by Ez = 60 cos (5x + 1.5 × 109 t) V/m. Then expression … Read More
Description A ball of mass 0.5 kg is dropped from a height of 40 m. The ball hits the ground and rises to a height … Read More
Description A bob of heavy mass m is suspended by a light string of length l. The bob is given a horizontal velocity v0 as … Read More