Physics question and answers for September 20, 2024
- Q C Long answer questions 1 Explain how you would measure the volume of an irregular solid say a stone 2 Explain how you would measure the area of an irregular...
- Q A positive charge is uniformly distributed along a circular ring of radius R A small test charge qis placed at the centre of the ring Then q ON A If...
- Q 3 When a rubber band is stretched by a distance x it exerts a restoring force of magnitude F ax bx where a and b are constants The work done...
- Q 139 A closed organ pipe has length A The air in it is vibrating in 3rd overtone with maximum amplitude a The amplitude at a distance of 2 7 from...
- Q The terminal potential difference of a cell is greater than its emf when it is a being discharged b open circuit c being charged d being either charged or discharged
- Q A body starts from rest on a long inclined plane of slope 45 The coefficient of fiction between the body and the plane varies as 0 3 x where x...
- Q particle is projected with velocity 30 above on an inclined plane inclination of which from horizontal is 37 Choose propriate path air resistance is negligible U 30 37 b U...
- Q Consider a simple pendulum having a bob attached to a string that oscillations under the action of force of gravity Suppose that period of oscillations of the simple pendulum depends...
- Q A thin rod of length L is lying along the x axis with its ends n mass length varies with x ask where n can be zero or any positive...
- Q We measure the period of oscillation of a simple pendulum In successi Measurements the readings turn out to be 2 63 S 2 56 S 2 42 S 2 71...
- Q hematics All the graphs below are intended to represent the same motion One of them does it incorrectly Pick it up 1 2018 U ve 3 velocity distance L Slope...
- Q A ray of light travelling parallel to diameter of a sphere enters the sphere through a hole at point A as shown in the figure The inner surface of the...
- Q Two identical charges are placed at a separation of 1 0 m What should be the magnitude of each charge so that each one repels the other with a force...
- Q 15 Figure shows electric field lines in which an electric dipole p is placed as shown Which of the following statements is correct NCERT Exemplar 9 P q a The...
- Q A weight W rests on rough horizontal plane If the angle of friction be 0 then calculate the least horizontal force that will move the body along the plane Osnca...
- Q 6 A physical quantity x depends on quantities y and z as follows x Ay B tan Cz where A B and C are constants Which of the following do...
- Q 0 A body of mass 2kg is froo to movo along x axis It is at rost at t subjected to a time dependent force F t in x direction...
- Q Example 4 13 Evaluate the magnitude and direction of magnetic field at point O in the following cases i a
- Q The switch S is closed at t 0 Just after closing the switch reading of ideal Voltmeter and reading of ideal Ammeter are V volt and I amp respectively The...
- Q A cricket ball of mass 150 g is moving with a velocity of 12 m s and is hit by a bat so that the bal gets turned back with...
- Q 23 In the situation shown the currents through 3 22 and 2 2 resistances are in the ratio 19 www A 39 www 2 7 4 www 49 292 wwwww...
- Q 32 In the situation shown the potential difference across the cell of smaller e m f is 1 2 V 2 4 V 3 Zero 4 6 V 2 V...
- Q ball is thrown at angle a 90 a 0 on inclined plane as shown in figure then the minimum speed of the ball during the otion is YA UK
- Q d low 1 A circuit contains a capacitor and inductance each with negligible resistance The capacitor is initially charged and the charging battery is disconnected At subsequent time the charge...
- Q A ring of radius 0 25 metre and mass 10 kg rotating about its diameter with angular spe 40 rad s Its kinetic energy is 1 5 J 2 50...
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