Physics question and answers for March 21, 2024
- Q 1 1 mm 2 0 05 mm 3 0 03 mm 4 0 01 mm In Young s double slit experiment the source is white light One slit is covered...
- Q Two sinusoidal waves with same wavelengths and amplitudes travel in opposite directions along a string with a speed 10 ms If the minimum time interval between two instants when the...
- Q a 25 Hz c 100 Hz c 100 A band playing music at a frequency u is moving towards a wall at a speed v A motorist is following the...
- Q a 5 6 b 6 5 c 7 4 d 4 7 53 Which of the following statements is incorrect for a stationary wave a Every particle has a fixed...
- Q A vibrating tuning fork generates a wave given by y 0 1 sint 0 2x 4t where x and y are in meter and time t in second The distance...
- Q c All the particles are oscillating with same amplitude d There is no net transfer of energy across any plane 4 The fundamental note produced by a closed organ pipe...
- Q Two polaroids are placed at 90 to each other so that the transmitted intensity is zero Find the intensity of the emerging light when a third polaroid is placed between...
- Q An electromagnetic wave going through the vacuum is described by E Eo sin kx wt Which is the following is are independent of the wavelength 1 k 3 kw 2...
- Q 42 180 Longitudinal wave There is no net transfer of energy by the particles of the medium in Transverse wave Progressive wave Mark for Review Stationary wave 02 hr
- Q A plane progressive wave is respresented by the 0 25 cos 2nt 2 x equation y The equation of a wave is with double the amplitude and half frequency but...
- Q At t 0 source starts accelerating with an acceleration a and observer starts moving with constant velocity vo as shown in the figure simultaneously Source emits a frequency f and...
- Q Waves from two sources superpose on each other at a particular point amplitude and frequency of both the waves are equal The ratio of intensities when both waves reach in...
- Q 1 13 6eV 2 27 2e V 3 54 4eV 4 68 0e V A pulse of wave train travels along a stretched string and reached the fixed end of...
- Q A boat at anchor is rocked by waves whose crests are 100m apart and velocity is 25m sec The boat bounces up once in every 1 2500 s 2 75...
- Q White light is passed through a double slit and an interference pattern is observed on a screen 2 5 m away The separation between the slits is 0 5 mm...
- Q Given that a mass of 1 kg is suspended from a spring of stiffness constant 4 N m If the frequency of natural oscillations be 2 3 times the frequency...
- Q frequency 04 A point source of 1 256 Hz and a receiver R are moving along same line with speed u 20 ms towards a reflecting surface which is approaching...
- Q If the optic axes of convex and concave lenses are separated by a distance 5 mm as shown in the figure Find the co ordinates of the final image formed...
- Q 4 Two pipes have each of length 2 m One is closed at one end and the other is open at both ends The speed of sound in air is...
- Q The second harmonic of an open organ pipe of length cm and of radius of cross section 0 5 cm is equal to first overtone of a closed organ pipe...
- Q 32 A string of length L is stretched by L 20 and speed of transverse wave along it is v The speed of wave when it is stretched by L...
- Q 2 In a plane progressive harmonic wave particle speed is always less than the wave speed if a amplitude of wave is less than 2 a 2 d amplitude of...
- Q 1 The frequency of a sonometer wire is f When the weights producing the tensions are completely immersed in water the frequency becomes 2 and on immersing the weights in...
- Q 35 If 21 2 and 3 are the wavelengths of the waves giving resonance with the fundamental first and second overtones respectively of a closed organ pipe Then the ratio...
- Q NEET UG 2019 Odisha 3 A tuning fork with frequency 800 Hz produces resonance in a resonance column tube with upper end open and lower end closed by water surface...
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