Physics question and answers for September 14, 2024
- Q 33 In the shown arrangement if f f and T be the frictional forces on 2 kg block 3kg block tension in the string respectively then their values are P...
- Q Proton Deuteron and alpha particle of same kinetic energy are moving in circular trajectories in a constant magnetic field The radii of proton deuteron and alpha particle are respectively rr...
- Q Rain pouring down at an angle a with the vertical has a speed of 10 ms A girl runs against the rain with a speed of 8 ms and sees...
- Q 2 rd nd 1 mv m V 3 m m and v V 700 Two particles A and B of masses m and m respectively and having the same charge...
- Q As raindrops fall in the air starting from rest a Its velocity and acceleration both increases b Its velocity increases and acceleration decreases c Both velocity and acceleration first increases...
- Q 1 elec An electric current i enters and leaves a uniform circular wire of radius a through diametrically opposite points A charged particle q moving along the axis of the...
- Q 3 perpendicular to its velocity 4 zero A proton a deuteron and an a particle having the same kinetic energy are moving in circular trajectories in a constant magnetic field...
- Q 1 1 2 3 273 A non planer loop of conducting wire carrying a current I is placed as shown in the figure Each of the straight sections of the...
- Q Figure shows a circuit that contains three identical resistors with resistance R 9 0 Q each two identical inductors with induc tance L 2 0 mH each and an ideal...
- Q 33 ment if f f and T be the In th frictional forces on 2 kg block 3kg block tension in the string respectively then their values are U 0...
- Q A student measures the time period of 100 oscillations of a simple pendulum four times The data set is 90 s 91s 92 s and 95 s If the minimum...
- Q 1 700 N 2 1050 N A body is projected up a rough inclined plane from the bottom with some velocity It travels up the inclin and then returns back...
- Q 1 4 9 m s 2 9 8 m s 3 2 A body of mass 100 g is sliding from an inclined plane of inclination 30 What is the...
- Q A concave mirror of focal length 20 cm is placed as shown in figure A circular disc of diameter 2 cm is placed on principal axis of mirror with its...
- Q 0 33 2 0 25 A block of mass 1 kg lies on a horizontal surface in a truck The coefficient of static friction between the bloc and the surface...
- Q A block A kept on an inclined surface just begins to slide if the inclination is 30 The block is replaced by ar block B and it is found that...
- Q Two block A and B placed on a plane surface as shown in the figure The mass of block A is 100 kg and that of block B is 200...
- Q 1 4 Equal to the limiting force 3 scalar quantity A block is placed on a rough floor and a horizontal force F is applied on it The force of...
- Q In a coaxial straight cable the central conductor and the outer conductor carry equal currents in opposite directions The magnetic field is zero outside the cable 3 inside the outer...
- Q 1 0 6 A block of metal is lying on the floor of a bus The maximum acceleration which can be given to the bus so that the block may...
- Q 2 40 m 3 60 m 4 80 m The relation between time t and distance x is t ax bx where a and b are constants The acceleration is...
- Q The coefficient of static friction between two surfaces depends on Nature of surfaces 2 The shape of the surfaces in contact 3 The area of contact 4 All of the...
- Q Four identical cells each of emf E and internal resistance r are to be used to deliver maximum power to a load of resistance Then the maximum power that can...
- Q A particle is projected along a rough plane inclined at an angle of 45 with the horizontal if the coefficient of then the retardation is friction is g 1 2...
- Q A body starts from rest and travels a distance S with uniform acceleration then moves uniformly a distance 2S an finally comes to rest after moving further 5S under uniform...
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