Physics question and answers for July 29, 2024
- Q Why maximum kinetic energy The elec trons can be ejected from the surface a toms as well as the inner layer atoms However the probability of ejection of e lectrons...
- Q A particle located at x 0 at time t 0 starts moving along the positive direction with a velocity v which varies as v a x then acceleration of particle...
- Q igure shows an L R circuit Value of current through the battery long time after closing the switch S is www R O O O 1 1x 18 V 3V...
- Q Question 11 Width of a river is 60m A swimmer wants to cross the river such that he reaches from A to B directly Point B is 45m ahead of...
- Q onducting rod OA of length 2 I is rotated about its end O with an angular velocity in a uniform magnetic field B directed perpendicular to the plane of rotation...
- Q Pin P is attached to BC and slides freely in the slot of OA B Determine the rate of change d0 dt in rad s of the angle at the...
- Q wi arge q is endicular of the field ge particle 102 force 1 A positive charge projected past a piece iron 2 A positive charge sent along the axis of...
- Q The charges on the two plates initially at t 0 are Q and Q Long time after closing the key the charges on the outer and inner surfaces of plate...
- Q 20 m long thin wire oriented in east west direction is falling with velocity 15 m s perpendicular to the magnetic field 0 3 x 10 Wb m2directed towards north...
- Q 3 A current element of strength 2x 10 Am placed at the corner A of a square ABCD of side 10 cm Magnetic field induction at the point which is...
- Q Wind is blowing in the east direction at speed of m s which causes the rain to fall at some angle wit the vertical With what velocity should a cyclis...
- Q 7 Suppose a smooth tunnel is dug along a straight line joining two points on the surface of the earth and a particle is dropped from rest at its one...
- Q questions place e g 06 25 07 00 00 33 00 30 30 27 27 30 If flux through a loop is given by 21 Wb then induced emf in...
- Q coil of resistance 30 and inductance 5 H is connected to a battery of emf 60 V The energy stored in the coil in steady state is n joules Find...
- Q In a vessel at 101 3 kN m and 300 k the percentage relative humidity of the water vapour in the air is 25 if the partial pressure of the...
- Q tan a Velocity v versus time t graph of a particle moving in a straight line is shown in the figure If tan B becomes zero is v m s...
- Q The network shown in figure is a part of the circuit At a certain instant the current is 1 2 A and it is increasing at the rate of 10...
- Q The self inductance of coil does not depend upon The geometrical dimensions of the coll O The nature of medium inside the coil The flux or current flowing through the...
- Q gure shows two concentric loops of radii r and r2 Mutual inductance of the arrangement is OM Ho 2r O ME 2x 25 OM Ho 21 OM H 4r 16...
- Q Which of the following is incorrect about Lenz s law It explains the physical significance of the negative sign in faraday s law O It is a consequence of conservation...
- Q If vectors cos coti sinot jand cof B cos sin 2 the value of t at which they are orthogonal to each other is Re AIPMT 2015 1 t 0...
- Q 62 Moving An electron and a proton are revolving around common centre O in two coplanar circular paths as 2 s respectively The net magnetic field at O will be...
- Q In which of the following case emf induced in the loop is maximum The orientation of identical coils and identical magnets is same in all the cases coil and magnet...
- Q Two identical balls A and B having velocities of 0 5 m s and 0 3 m s respectively collide elastically in one dimension The velocities of B and A...
- Q angular acceleration a as shown in figure then Answer A B C Your Attempt Correct answer the constant magnitude of velocity of the particle in the first t sec 2a...
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