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Recent questions tagged jee(main)-2021-(25feb-shift2)

by momin in Electronic Devices asked Apr 10 15 views

For an extrinsic semiconductor if doping concentration is increases then.

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by JeeNeetQnA in Rotational Motion asked Apr 7 8 views

Two particles having mass M1 = 4 gm, M2 = 16 gm. If kinetic energy of both the particle is equal then ratio of their

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by JeeNeetQnA in Dual Nature of Matter and Radiation asked Apr 7 27 views

In photoelectric effect of a certain metal the stopping potential is 0.71 V if the wavelength of incident radiation is

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by JeeNeetQnA in Physics asked Apr 7 7 views

If an electron of a hydrogen atom jumps from n = 2 to n = 1 then find the wavelength of released photon.

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by JeeNeetQnA in Kinetic Theory of Gases asked Apr 7 12 views

Statement-1: Rotational KE of a gas molecule follows Maxwell's speed distribution curve. Statement-2: Rotational KE

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by JeeNeetQnA in Electromagnetic Induction and Alternating Currents asked Apr 1 12 views

In a given AC series circuit containing elements R, L and C & source voltage = 220v, it is known that if L alone is

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by JeeNeetQnA in Oscillations and Waves asked Apr 1 7 views

A unit mass particle is moving in a circle of radius R such that its projection on diameter executes SHM.

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by JeeNeetQnA in Rotational Motion asked Apr 1 6 views

A solid sphere as shown is rolling without slipping. Find maximum length travelled on an inclined plane?

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by JeeNeetQnA in Physics and Measurement asked Mar 20 17 views

Find out dimension of 1/4πε0 e2/hc where e : electronic charge, ε0 = permittivity of free space, h : plank constant

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by JeeNeetQnA in Dual Nature of Matter and Radiation asked Mar 20 23 views

Proton and electron are moving along circular path with same speed. Find out ratio of debroglie wavelength that is λe/λp

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by JeeNeetQnA in Wave Optics asked Mar 20 18 views

Sun light is diffracted through a circular aperture of diameter 0.1μm. If diameter is slightly increased then

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by JeeNeetQnA in Communication Systems asked Mar 20 23 views

In an amplitude modulated wave, message wave frequency fm and carrier wave frequency fc. Find out wavelength

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