Physics question and answers for September 03, 2024
- Q The time constant for a circuit containing 99 capacitance C and resistance R is t In this time an uncharged capacitor can be charged to about x per cent of...
- Q are projected horizontally with same speed v as shown in figure At the time when 2 touches ground at co ordinate L 1 m q h h m q 2...
- Q One end of a block placed on a horizontal smooth surface is attached with a spring of force constant 100 N m Other end of the spring is attached with...
- Q 5 If W work is done in rotating a dipole in uniform electric field from its stable equilibrium position to an angle 30 then torque needed to hold this dipole...
- Q 6 Two coaxial circular loops 1 and 2 which form same semi vertical angle 0 at point O Same charges are uniformly distributed along the circumference of both the loops...
- Q Figure shows a uniform magnetic field B normally into the paper If the charge q is incident on the boundary MN at an angle 60 as shown then the deviation...
- Q For a body thrown horizontally from the top of tower h height v velocity of projection A the time of flight depends both on h and v B the horizontal...
- Q 23 A 20 C charge is kept at centre of a square as shown in the figure The work done in moving a charge 2 C from point D to...
- Q A triangular ent carrying loop i is placed in a uniform and transverse magnetic field as shown in the figure X A 30 C F 1 F 3 120 X...
- Q person swims at 30 with normal to river flow to meet target on reaching opposite point The ratio of river water velocity to the person s velocity is A 3...
- Q A small block of mass m 1kg is attached with one end of the spring of force constant K 100Nm Other end of the spring is fixed to a rough...
- Q 28 Select incorrect statement 1 Similar point charges always repel each other 2 Similar charged bodies always repel each other 3 Similar charged bodies may attract each other 4 Clouds...
- Q A river is flowing from west to east at a speed of 8 m s A man on the north bank of the river capable of swimming at 16m s...
- Q A current carrying conductor of length I is bent into two loops one by one First loop has one turn of wire and the second loop has two turns of...
- Q A particle at end of a spring executes simple harmonic motion with a period t while the corresponding period of another spring is t If two springs are connected in...
- Q The displacement of a particle along the x axis is given by x asin cot The motion of the particle corresponds t 2 simple harmonic motion of frequency 30 2r...
- Q 26 Average velocity of a particle executing SHM in one complete vibration is any velocity NEET 2019 2 Aw 2 zero 3 Aw Aw 4 2
- Q the radial velocities of distant galaxies Example 10 1 What speed should a galaxy move with respect to us so that the sodium line at 589 0 nm is observed...
- Q A particle of mass 1kg is free to move along x axis under influence of a conservative force The potential energy function for the particle is U x 5x J...
- Q 0 Stal electric flux through a closed surface enclosing a charge is equal to 1 Eo times the magnitude of the charge enclosed Assertion A Positive charge always moves from...
- Q 2 Assertion A Focal length of a spherical mirror does not dpend on the material from which mirror is made but same for the lens depends on the material of...
- Q particle of mass m moves along a circle of radius r with constant tangential accelerati kinetic energy E of the particle becomes three times by the end of third revolution...
- Q The electric field lines in a region is shown in the figure EA EB and Ec are the electric field strength at points A B and Crespectively Then B O...
- Q Two conducting plates have charge 3Q and 2Q and separation between them is x then potential difference between the two plates is plate area is A 3Q 2Q 1 A...
- Q Two forces act on an object of mass M 4 00 kg as shown in the figure Because of these forces the object experiences an acceleration of a 8 00...
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