Physics question and answers for September 15, 2024
- Q A body is projected vertically with a speed of 20 m s in a region where g 10 m s The distance travelled in 3 seconds is a 15 m...
- Q The blocks A B are of masses 3 kg and 5 kg respectively The inclined plane is smooth Assume g 10 m s The contact force between the blocks A...
- Q A boy whirls a stone of small mass in a horizontal circle of radius 1 5 m and at height 2 9 m above level ground The string breaks and...
- Q 8 A triangular prism of mass M with a block of mass m placed on it is released from rest on a smooth inclined plane of inclination 0 The block...
- Q 6 0 A vessel of volume 100 liter contains an ideal gas at pressure P and temperature T Gas is continuously pumped out of the vessel at a constant volume...
- Q the 6 Show that a ray of light reflected from a plane mirror rotates through an angle 20 when mirror is rotated through an angle 0 about its axis perpendicular...
- Q 43 Interference fringes are being produced on screen XY by the slits S and S In figure the correct fringe locus is S W3 S a PQ C W3W4 S...
- Q If block A shown is moving with speed V as observed by a person on ground then the magnitude of velocity of A with respect to the block B is...
- Q A rocket starts moving upwards with gases ejecting at a rate of 2000 m s relative to itself After 2 minutes its fuel burns out and its mass reduces to...
- Q 1 16 The circuit shown in the figure is equivalent to a load of of ww 4 a ohms 3 c 4 ohms 292 492 b 813 1 ohms d...
- Q 68 A metre stick weighing 240 g is pivoted at its upper end in such a way that it can freely rotate in a vertical plane through this end figure...
- Q A pipe of circular cross section of inner radius r and outer radius 2r is bent into a semi circle as shown in the diagram A fluid of density p...
- Q Unpolarised light is incident fro plane surface of a material of refractive inde u At a particular angle of incidence i it is found that the reflected and refracted rays...
- Q 13 A triple slit experiment is performed as shown in the figure with monochromatic light of amplitude au SMS N 8 The graph between resultant amplitude A versus 8 is...
- Q DE021B0AH ANTARGE 3 6 mm 4 4 mm A parallel beam of fast moving electrons is incident normally on a narrow slit A fluorescent screen is placed at a large...
- Q 2 k Electric field in a region is found to be E 3yj The total energy stored in electric field inside the cube shown will be A 9a C a...
- Q ladder N Mg 14 The door of an almirah is 6 ft high 15 ft wide and weighs 8 kg The door is supported by two hinges situated at a...
- Q 5 A light ray travelling in glass medium is incident on glass air interface at an angle of incidence 0 The reflected R and transmitted T intensities both as function...
- Q 34 Density of ice is p and that of water is o What will be decrease in volume when a mass M of ice melts 1 M o p 1...
- Q 3 Magnetic force acting on the charged particle projected perpendicular to magnetic fiel proportional to v where v is the speed Find n Magnetic force acting on 41
- Q A particle is projected upwards with velocity 60 m s In 8 s Average velocity of the particle is A 20 m s B 40 m s Average speed of...
- Q DIOCK OI kg is lying on horizontal surface The static friction between the block and the surface of table is 0 5 What is the minimum value of force for...
- Q 2 1 5 3 19 13 The combination of NOR gates shown here is equivalent to 1 OR B 2 AND 3 NAND 4 19 1 4 XOR of different...
- Q A particle moving in a straight line covers first half of the distance into two equal time intervals with speed of 2 m s and 4 m s respectively and...
- Q The definition of average velocity is a the average acceleration multiplied by the time b distance travelled divided by the time 1 c final velocity initial velocity 2 d displacement...
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