Physics question and answers for July 03, 2024
- Q In the circuit shown in figure below the cells and E have e m f 4 V and 8 V and internal resistance 0 5 ohm and 1 0 ohm...
- Q A body moves in a circular path of the radius R with deceleration so that at any moment of time its tangential and normal acceleration are equal in magnitude At...
- Q The antenna current of an AM transmitter is 8 A when only the carrier is sent but it increases to 8 93 A when the carrier is modulated by a...
- Q Three rods of the same length and the same area of the cross section are joined The temperature of two ends one T and T as shown in the figure...
- Q Magnetic flux linked with a stationary loop of resistance R varies with time t as at T t Amount of heat generated in loop during time interval Tis aT O...
- Q A particle of mass 2m is projected at an angle of 45 with horizontal with a velocity of 20 2 m s After 1 s explosion takes place and the...
- Q What is the strength of transverse magnetic field required to bend all the photoelectrons within a circle of a radius 50 cm when light of wavelength 3800 A is incident...
- Q In the circuit shown in figure each resistance is of 7 and internal resistance of cell is 1 2 The reading of ideal ammeter A is 14 V 122 2...
- Q Soap solution can be spread into a fairly large vertical thin film but the same cannot be done with water Why A Density of water is more than that of...
- Q The diagrams below show regions of equipotentials 20V 40V 20V 40V 10V 30V HUD B A B A B A 10V 30V a 10V 30V b 20V 40V c 20V...
- Q According to Faraday s law of electromagnetic induction the total charge flown through a cross section of a conducting loop depends upon Initial magnetic flux only Final magnetic flux only...
- Q ven V VI I 22 Use source transformation to obtain Circuit B so that it is equivalent to Circuit A Determine V in Circuit B Circuit A Circuit B 03...
- Q Q16 From NCERT The photon radiated from hydrogen corresponding to the second line of Lyman series is absorbed by a hydrogen like atom X in the second excited state As...
- Q F a e 2 akt k t temperature A X distance The dimensions of Bis B D Boltzmann constant MLT 4 M L 2T MLT 2 M LT 1
- Q If the rates of cooling of two different liquids put in exactly similar calorimeters and kept in identical surroundings are the same then which among the following is most suitable...
- Q A sound source emitting sound of frequency 450 Hz is approaching a stationary observer with velocity 30 m s and another identical source is going away from the observer with...
- Q TYPE questions Each question has 4 choices 1 Read More A hollow charged metal sphere has radius R If the potential difference between the surface and a point at distance...
- Q A cylinder of mass M length L and radius R has two cords wound around it with their ends attached to the ceiling as shown in the figure The cylinder...
- Q A stationary light smooth pulley can rotate about a fixed horizontal axis A light rope passes over the pulley One end of the rope suppors a ladder with a man...
- Q 27 If the radius of the Al nucleus is estimated to be 13 3 6 Fermi then the radius of 125 Te nucleus be nearly A B 6 Fermi D...
- Q That when the elctrons release potential energy what actually happens is that they come to a low energy state and come close to the nucleus which directly affects the attractive...
- Q 2 25 1 Four holes of radius R are cut from a thin square plate of side 4R and mass M The moment of inertia of the remaining portion about...
- Q 4 j nqva in the direction of current flow A non conducting ring of radius R has two positive point charges lying diametrically opposite to each other each of magnitude...
- Q A particle of mass 2 kg is moving in XY plane in a circular path of radius 3m with constant angular speed 5rad s The motion of the particle is...
- Q 37 A bubble is at the bottom of the lake of depth h A the bubble comes to sea level its radius increase to three times If atmospheric pressure is...
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