Recent questions asked in jee main 2021 (26 feb shift 1)

Ozone in troposphere prevents us from? (a) Cause photochemical smog (b) Protects from UV radiation (c) Protects from X-ray (d) Protects from greenhouse effect

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by JeeNeetQnA in Physics and Measurement asked Jul 26 23 views

If W = work done, T = Temperature, KB = Boltzmann constant, x = Displacement & W = αβ^2 e x^2/αKBT

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by JeeNeetQnA in Oscillations and Waves asked Jul 26 15 views

A travelling wave is given by y = −0.21sin(x+ 3t) where x is in m, t is in seconds, y is in mm.

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by JeeNeetQnA in Oscillations and Waves asked Jul 26 16 views

If the force acting on the body moving in circular motion is proportional to r−3, then the time period

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by JeeNeetQnA in Properties of Solids and Liquids asked Jul 26 29 views

Some drops, each of radius ‘r’ coalesce to form a large drop of radius ‘R’. The surface tension is T.

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by JeeNeetQnA in Electromagnetic Induction and Alternating Currents asked Jul 26 70 views

An AC current is given by i(t) = I1 sin wt + I2 cos wt. Find the rms value of current.

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by JeeNeetQnA in Rotational Motion asked Jul 26 19 views

Four solid spheres each of mass m and radius a, have their centers on the vertices of a square whose side is b.

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by JeeNeetQnA in Physics and Measurement asked Jul 26 43 views

Find the significant figure in 50000.020 × 10^-3

Find the significant figure in 50000.020 × 10-3 (a) 5 (b) 6 (c) 7 (d) 8

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Recent questions asked in jee main 2021 (26 feb shift 1)

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