Physics question and answers for September 02, 2024
- Q CP Simple Harmonic The potential energy of a particle with displacement X is U X The motion is simple harmonic when K is a positive constant KE 1m wy BE...
- Q A particle executes linear simple harmonic motion with an amplitude of 3 cm When the particle is at 2 cm from th mean positon the magnitude of its velocity is...
- Q The distance of point of a compound pendulum from its centre of gravity is the time period of oscillation relative to this point is T If g n the relation...
- Q The force constant of a spring is k and that of another is 3k Now both spring are stretched through same distance if work done on springs are w and...
- Q A disc of radius R is suspended from its circumference and made to oscillate Its time period will be R 2 3R 1 2T 2g In the above question its...
- Q 6 In the compound pendulum the minimum period of oscillation will be 20 1 2T k g 2 2 l g 2k 3 2 4 2T lum from its centre...
- Q 1 Increases by 1 2 Increases by 0 5 3 Decreases by 0 5 In a simple pendulum the period of oscillation T is related to length of the pendulum...
- Q In a 18 cm long capillary tube water rises upto 16 3 cm height If tube is cut at a height of 12 cm then RPMT 20 1 Water will...
- Q 4 viscosity A certain number of spherical drops of a liquid of radius r coalesce to form a single drop of radius R and volume V If T is the...
- Q A soap bubble in vacuum has a radius of 3 cm and another soap bubble in vacuum has a radius of 4 cm If the bubbles coalesce under isothermal conditions...
- Q 1 A circle 2 An ellipse 3 A straight line 4 A parabola A S H M is represents by x 5 2 sin 2nt cos 2nt The amplitude of...
- Q Two blocks of masses 3 kg and 6 kg are connected by an ideal relaxed spring and are placed on a frictionless horizontal surface The 3 kg block is imparted...
- Q A cylinder with a movable piston contains air under a pressure p and a soap bubble of radius r The pressure p to which the air should be compressed by...
- Q At critical temperature the surface tension of a liquid His zero 3 is same as that at any other temperature 2 is infinity 4 cannot be determined
- Q Maximum acceleration of the train at which a box lying on its floor will remai stationary with respect to floor coefficient of friction between box and floor below the box...
- Q 60 A man stands in the middle of a rotating table which has an angular velocity w He is holding two equal masses at arms length in each hand Without...
- Q The composition of two simple harmonic motions of equal periods at right angle to each other and with a pha difference of results in the displacement of the particle along...
- Q A spherical soap bubble of radius 1 0 cm is formed inside another of radius 2 cm If a single soap bubble is fo which maintains the same pressure difference...
- Q 3 A capillary tube 1 is dipped in water Another identical tube 2 is dipped in a soap water solution Which of the following shows the relative nature of the...
- Q A second s pendulum is placed in a space laboratary orbiting around the earth at a height 3R where R is the radius the earth The time period of the...
- Q A player caught a cricket ball of mass 200 g which was moving at velocity of 2 ms If catching process was completed in 0 1 s the force exerted...
- Q A body of mass 5 kg at rest on smooth surface is acted upon simultaneously b two forces 3 N and 4 N at right angle to each other The...
- Q For a particle executing simple harmonic motion the kinetic energy K is given by K K cos cot The maximum val of potential energy is Pemax 1 K 2 Zero...
- Q A particle starts S H M from the mean position Its amplitude is A and time period is T At the time when its speed is half of the maximum...
- Q A soap bubble of diameter 8 mm is formed in air The surface tension of liquid is 30 dyne cm The excess pressu inside the soap bubble is 1 150...
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