Physics question and answers for September 11, 2024
- Q 3 The variation of density of a cylindrical thick and x long rod is P Po12 then position of its centre of mass from x 0 end is 1 2L...
- Q a 25 Hz b 50 Hz 41 Two simple harmonic motions are represented by the equations y 0 1 sin 100nt a The phase difference of the velocity of particle...
- Q Two point white dots are 1 mm apart on a black paper They are viewed by eye of pupil diameter 3 mm Approximately what is the maximum distance at which...
- Q 5 A bullet of mass 10g moving horizontally with a velocity of 400 m s strikes a wooden block of mass 2 kg which is suspended by a light inextensible...
- Q An observer moves towards a stationary source of sound with a velocity one fifth of the velocity of sound What is the percentage increase in the apparent frequency a 0...
- Q In a balanced wheat stone bridge current in the galvanometer is zero It remains zero when 1 battery emf is increased 2 all resistances are increased by 10 ohms 3...
- Q length is F The ratio F F will be a 3 4 b 2 1 c 1 2 d 2 3 NEET 2019 bast A 2001 An equiconvex lens has...
- Q A swimmer wishes to cross a river 500 m wide flowing at a rate u His speed with respect to water is v For this he makes an angle with...
- Q In Young s Double Slit Experiment when monochromatic source of light is used we get interference pattern which shows a black line on screen where a minima occurs Similarly a...
- Q hat describes same plane with the same 2 50 keV 4 100 keV ce there exists a uniform along x axis and uniform of strength B along ge q and...
- Q A particle of mass 0 3 kg subject to a force F kx with k 15 N m What will be its initial acceleration if it is release from a...
- Q ABCDECA is a planar body of mass m of uniform thickness and same material The dimension are as shown in the figure The moment of inertia of the body about...
- Q 25 If S is stress and Y is young s modulus of material of a wire the energy stored in the wire per unit volume is a S 2Y b...
- Q 17 The variation of the velocity of a particle mov ing along a straight line is illustrated in the graph given below The distance covered by the particle in 4...
- Q densities P P and P2 A large tank is filled with two immiscible liquids of A small hole is made at the base of the tank and the liquid of...
- Q A system goes from A to B via two processes I and II as shown in figure If A U and A U are the changes in internal energies in...
- Q Which of the following is incorrect regarding the first law of thermodynamics a It is a restatement of the principle of conservation of energy b It is applicable to any...
- Q A coaxial cylinder made of glass is immersed in liquid of surface tension S Radius of inner and outer surface of cylinder are R and R respectively Then the rise...
- Q 4 Average density of the earth a is a complex function of g b does not depend on g c is inversely proportional to g d is directly proportional to...
- Q Two concentric metallic shell s of radius R and 2R out of which the inner shell is having charge C and outer shell is uncharged If they are connected with...
- Q ducting wire bent in the form of a y 4x is shown in figure and current flowing in the wire is 3 A If the wire is placed in a...
- Q The bob of a simple pendulum is a spherical hollow ball filled with water A plugged hole near the bottom of the oscillating bob gets suddenly unplugged During observation till...
- Q A particle of mass 10 g is kept on the surface of a uniform sphere of mass 100 kg and radius 10 cm Find the work to be done against...
- Q 22 utbe d It introduces the concept of the internal energy Consider a car moving on a straight road with a speed of 100 m s The distance at which...
- Q 250 When a particle is thrown horizontally th displacement of the projectile at any time t is give by 2 2 1 u g 2 3 u g t 1...
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