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MCQs-PYQs-12th-jee

Two cars going round curve with speeds one at 90 km/h and other at 15 km/h. Each car experiences same acceleration. The radii of curves are in the ratio of

MCQs-PYQs-12th-jee

The angular speed of a motor increases from 600 rpm to 1200 rpm in 10s. What is the angular acceleration of the motor

MCQs-PYQs-12th-jee

An electric fan 15 rotating at\a speed of 600 rev/minute. When the power supply is stopped, it stops after 60 revolutions. The time taken to stop is

MCQs-PYQs-12th-jee

A grinding wheel attained a velocity of 20 rad/sec in 5 sec starting from rest. Find the number of revolutions made by the wheel

MCQs-PYQs-12th-jee

A mass m ships along the wall of a semispherical surface of radius r. The velocity at the bottom of the surface is

MCQs-PYQs-12th-jee

A sphere 15 suspended by a thread of length l. What minimum horizontal velocity has to be imparted the ball for it to reach the height of the suspension

MCQs-PYQs-12th-jee

If the overbridge is concave instead of being convex, the thrust on the road at the lowest position will be

Question: Six moles of an ideal gas performs a cycle shown in figure. If the temperatures are 𝑇 𝐴 = 600 𝐾 T A =600K, 𝑇 𝐵 = 800 𝐾 T B =800K, 𝑇 𝐶 = 2200 𝐾 T C =2200K and 𝑇 𝐷 = 1200 𝐾 T D =1200K, the work done per cycle is

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