Physics question and answers for July 31, 2024
- Q 4 An electric dipole of dipole moment P is rotated in a uniform electric field of strength E from position of stable equilibrium to unstable equilibrium Then work done by...
- Q Water is flowing continuously from a tap having an internal diameter 8x10 m The water velocity as it 3 1 leaves the tap is 04 ms The diameter of the...
- Q Velocity v versus time t graph of a particle moving in a straight line is show tan a tan velocity becomes zero is v m s in the figure If...
- Q In the figure below the coefficient of kinetic friction between the 6 kg object and the surface is 0 2 The force F in N necessary to pull both blocks...
- Q PARAGRAPH FOR QUESTIONS 62 64 A box contains a combination of L C and R When 250 V DC is applied to the terminals of the box a current of...
- Q kg block B rests as shown on a bracket A of same mass Constant forces F 20 N and F2 8 N start to act at time t 0 when...
- Q A particle moves in the east direction with 15 m sec for 2 sec then northwards with 5 m s for 8 sec Average speed of the particle is A...
- Q A simple pendulum consists of string of length L and suspended mass m It is released from horizontal positi as shown in the figure Speed of the mass when the...
- Q A diatomic ideal gas is used in a car engine as the working substance If during the adiabatic expansion part of the cycle volume of the gas increases from V...
- Q 24 Two pith balls carrying equal charges are from a common point by strings of equal length the equilibrium separation between them is r Now the strings are rigidly clamped...
- Q 1 67 A particle of mass m and charge q moves along a diameter of a uniformly charged sphere of radius R and carrying a total charge Q Find the...
- Q In static electricity which notion is right about the flow of electrons Is it due to electric charge gradient like how air flo ws from higher pressure to lower press...
- Q 19 Starting from rest if a car accelerates uniformly at the rate of 1 m s for some time and then decelerates uniformly at the rate of 2 m s...
- Q A block of mass 10 kg is kept at rest on a rough inclined surface as shown The net contact force on m is 10 m s 100 N 80...
- Q Two blocks of masses 10 kg and 20 kg are connected by a massless spring and are placed on a smooth horizontal surface A force of 200 N is applied...
- Q 9 Assertion A Sea divers wear special suits Reason R There is no effect of gravity under the sea PATH A Both A and R are true but R is...
- Q 06 A bar produces a lateral strain of magnitude 60 x 10 5 m m when subjected to tensile stress of magnitude 300 MPa along the axial direction What is...
- Q In the figure mi has mass 5kg and my has mass 10kg The coefficient of friction between mi and my is 0 5 and the mass my is on the...
- Q A large metallic plate is facing a large charged sheet having charge density per unit area a placed parallel to the plate at a distance from the plate Potential at...
- Q CAREER ENDEAVOUR Problem Consider a two dimensional hexagonal lattice if lattice spacing a 3 and sound velocity c 10m sec The debye frequency w is provide a humerical value in...
- Q 43 Two spheres of masses m and 2 m are separated by distance d A particle of mass is projected straight m 5 from 2 m towards m with a...
- Q SolveLancer Test A machine is used to produce magnetic field which creates a magnetic flux number of magnetic field lines when passed through a copper coil varying with time t...
- Q q a a 2 P X 9 211 200 ZAPOJ 2q 1 What is the electric potential at point P midway between the line connecting the q and q charges...
- Q 118 The driver of an express train suddenly sees the red light signal 50 m ahead and applies the brakes If the average deceleration during braking is 10 0 ms...
- Q Figure shows a weight of 30 Kg suspended at one end of cord and a weight of 70 kg applied at other end of the cord passing over a pulley...
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