Jee Neet QnA

by JeeNeetQnA in Magnetic Effects of Current and Magnetism asked Apr 13 11 views

Current I is flowing in a coil and two points B1 and B2 are on the axis of coil at a distance 0.05 m and 0.2 meter

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by JeeNeetQnA in Physics and Measurement asked Apr 13 5 views

A screw gauge shows 8 division on circular scale below reference line when no object is placed. Number of division on

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by JeeNeetQnA in Gravitation asked Apr 13 6 views

A sphere of mass M has gravitational field at point P is g1. Now volume cavity of radius R is removed as shown.

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by Huzaifa Noori in Molecular Basis of Inheritance answered Apr 13 222 views

E. coli has only 4.6 × 10^6 base pairs and completes the process of replication within 38 minutes; then the average rate

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2 answers

by momin in Ray Optics and Optical Instruments answered Apr 10 17 views

Relation between radius of curvature & focal length of a convex mirror is.

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by momin in Rotational Motion answered Apr 10 25 views

I1 = Moment of Inertia of ring of mass M and radius R about its diameter. I2 = Moment of Inertia of Disc of mass M

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by momin in Dual Nature of Matter and Radiation answered Apr 10 23 views

Statement-1: de-Broglie wavelength of proton varies inversely with linear momentum. Statement-2: As λ increases, energy

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1 answer

by momin in Communication Systems answered Apr 10 28 views

Vm = 20sin[100πt+π/4], Vc = 80sin[104t+π/6], For amplitude modulation wave find out percentage modulation index.

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by momin in Wave Optics answered Apr 10 168 views

If intensity after passing through a polaroid is 100 Lumen. Now this same polaroid is rotated by 30° about it's axis

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by JeeNeetQnA in Electronic Devices answered Apr 10 15 views

For an extrinsic semiconductor if doping concentration is increases then.

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by momin in Kinetic Theory of Gases answered Apr 10 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 momin in Electromagnetic Induction and Alternating Currents answered Apr 10 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 momin in Physics and Measurement answered Apr 10 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 momin in Dual Nature of Matter and Radiation answered Apr 10 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 momin in Wave Optics answered Apr 10 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 momin in Communication Systems answered Apr 10 23 views

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

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by momin in Gravitation answered Apr 10 12 views

Time period of simple pendulum at a planet is 2 sec. Length of simple pendulum is 2 meter. Find the value of g

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by JeeNeetQnA in Kinematics asked Apr 7 14 views

A train passes by a pole with uniform acceleration ‘a’. Its front end when passes by it has speed ‘u’ and its back end

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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 Huzaifa Noori in Electromagnetic Waves answered Apr 6 23 views

If the current flowing in a coil is reduced to half of its original value, the relaticn between the new energy

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1 answer

by Huzaifa Noori in Chemistry In Everyday Life answered Apr 2 20 views

Among the following, the narrow spectrum antibiotic is :

Among the following, the narrow spectrum antibiotic is : (1) Penicillin G (2) Ampicillin (3) Amoxycillin (4) Chloramphenicol

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by JeeNeetQnA in Others answered Apr 2 26 views

Free test for jee main chapter wise

Can anyone suggest me free chapter wise test Website for jee mains

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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 Rumit in Oscillations and Waves answered Mar 22 33 views

The phase difference between displacement and acceleration of a particle in a simple harmonic motion is :

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