Physics question and answers for August 09, 2024
- Q 36 In the arrangement shown a and a are the acceleration of the two blocks 1 2 with respect to ground in upward direction and a be the magnitude of...
- Q A rupee coin starting from rest rolls down a distance of 1 m on a plane inclined at an angle of 30 with the horizontal Assuming that g 9 81...
- Q Note The effective mass of the solid whose energy expression k A B cos k b cos k b near 0 0 is equal to Answer b d Bb 2...
- Q Van Der Waals Equation 10 moles of CO gas is taken from an INITIAL STATE 300K 0 1 m to a FINAL STATE 300K 0 2 m Van Der Waals...
- Q 46 In a series resonant LCR circuit the voltage across R is 100V and R 1KQ2 with C 2 F The resonant frequency is 200 rad s At resonance the...
- Q 15 A body of density p is dropped from rest from a height h into a lake of density a where a p Neglecting all dissipative forces the maximum depth...
- Q How long can an electric lamp of 500 W be kept glowing b fusion of 2 kg of deuterium Take the fusion reaction as 2He n 3 27 MeV 2...
- Q In RLC circuit at a frequency v the potential difference across each device are AVR max 8 8V AVL max 2 6V and AVC max 7 4V The composed potential...
- Q 7 An alternating voltage V Vo sin oot is applied across a circuit As a result a current i io si cot flows in it The power consumed pe cycle...
- Q A block of mass m lying on a rough horizontal surface of friction coefficient u is pulled by a force Fas shown the limiting friction between the block and surface...
- Q A porter lifts a heavy suitcase of mass 80 kg and at the destination lowers it down by a distance of 80 cm with a constant velocity Calculate the workdone...
- Q A block mass mis placed on a table which is moving upwith an acceleration a Then the normal reaction acting on the block is 1 mg 2 m g a...
- Q Two blocks A and B having mass 4 kg and 8 kg respectively are connected by a string If a force of 120N is applied on 8 kg mass The...
- Q 1 A particle is moving along x axis Initially the distance of the particle from the origin is a and its velocity is zero The acceleration of the particle at...
- Q A cylindrical conductor of mass m length I and radius r is moving translator with speed u to its length After that a constant uniform magnetic field B is switched...
- Q long straight solid metal wife of radius 2 mm carries a current uniformly distributed over its circular cross section The magnetic field induction at a distance 2 mm from its...
- Q A block of mass 10 kg is tied with the help of string rests on an rough inclined plane u 0 5 as shown The frictional force on the block...
- Q Figure shows a container filled with a liquid of density p Four points A B C and D lie on the diametrically opposite points of a circle as shown Points...
- Q EXERCISE An object of mass m is floating in a liquid of density a If the object is made up of density p then apparent weight of the object in...
- Q A plank of mass M carrying a man of mass m moving horizontally with velocity u on frictionles horizontal surface If the man starts walkir towards right with velocity vo...
- Q 5 A ray of light falls on a transparent glass slab of refractive index 1 62 If the reflected ray and refracted ray are mutually perpendicular the angle of incidence...
- Q In a young s double slit experiment the slits are illuminated by monochromatic light The entire set up is immersed in pure water Which of the following act cannot restore...
- Q The pulley is light and smooth Strings are inextensible and light Then tension in the string connecting 2kg and 3kg is g 10m s 2kg 3kg 5kg 1 12 N...
- Q A p n junction photodiode is fabricated from a semiconductor with band gap of 2 2 eV It can detect a light of wavelength 6000 nm 5000 700 nm 6000
- Q Q No 19 An object is placed at 20 cm from a convex mirror of focal length 10 cm The image formed by the mirror is 1 2 3 Correct...
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