Physics question and answers for March 15, 2024
- Q On an electric guitar a pickup under each string transforms the string s vibrations directly into an electrical signal Part A If a pickup is placed 16 25 cm from...
- Q In the figure below P and Q are two equally intense coherent sources emitting radiation of wavelength 20 m The separation between P and Q is 5 m and the...
- Q Determine the ratio of the number of nodes in the 13 th harmonic of an open ended pipe of length 6 24 to the number of antinodes in the 2...
- Q 45 by an observer is 10 more than the act frequency If the velocity of sound in air 330 m sec then i The source may be moving towards observer...
- Q Tuning fork A of frequency 258 Hz gives beats with a tuning fork B When the tuning fork A is filed and again A and B are sounde the number...
- Q 9 A train moves towards a stationary observer with a speed 34 m s The train sounds a whistle and its frequency registered by the observer is f If the...
- Q 3 44 and 22 4 72 and 36 4 The displacement at a point due to two waves are y 4sin 500xt and y 2sin 506 The result due to...
- Q A bat emits ultrasonic sound of frequency 1000 kHz in air If the sound meets a water surface the wavelength of the reflected and transmitted sound are speed of sound...
- Q 3 2 The frequency changes by 10 as a sound source approaches a stationary observer with constant speed V What would be percentage change in the frequency as the source...
- Q th The frequency of whistle of an engine appears to be of initial frequency when it crosses a stationary observer If the velocity of sound is 330 m s the...
- Q 4 Can t be determined 3 Ten tuning forks are arranged in increasing order of frequency in such a way that any two consecutive tuning forks produce 4 beats per...
- Q A 20 cm long string having a mass of 1 0 g is fixed at both the ends The tension in the string is 0 5 N The string is...
- Q 16 The fundamental frequency of a pipe closed at one end is 100 Hz If close end is open the fundamental frequency of same pipe will be 1 100 Hz...
- Q in solids 22 Longitudinal waves of wavelength 2 propagate in a gaseous medium in the form of compressions and rarefactions The distance between two adjacent compression is 1 2 2...
- Q Let speed of sound waves in hydrogen gas at 30 room temperature is vo What will be the speed of sound waves in a room which contains an equimolar mixture...
- Q 3 825 m 4 660 m A B and C are three tuning forks the frequency of 10 A is 350 Hz A and B produce 5 beats sec While...
- Q A bus B is moving with a velocity V in the positive x direction along a road as shown in the figure A shooter S is at a distance I...
- Q A toy car blowing its horn is moving with a steady speed of 5 m s away from a wall An observer towards whom the toy car is moving is...
- Q When a source of sound of frequency 600 Hz moves with velocity 30 m s towards a stationary observer the apparent wavelength is If the same source is kept stationary...
- Q Physics Question Palette Question No 22 A glass tube of length 0 5 m is filled with water and can be drained out slowly at the bottom of the tube...
- Q 5 When two waves with same frequency and constant phase difference interfere 1 There is gain of energy 2 There is a loss of energy 3 The energy is redistributed...
- Q upper A tuning fork with frequency 800 Hz produces resonance in a resonance column tube with end open and lower end closed by water surface Successive resonance are observed at...
- Q A small source of sound is in uniform circular motion of radius R and angular speed 7 10 rad s It emits continuous sound of fixed frequency fo A detector...
- Q A military band was marching on a street in the same direction as the normal traffic flow A motorist was approching the band from behind in his car just at...
- Q A road passes at some distance from a standing man A truck is coming on the road with some acceleration The truck driver blo a whistle of frequency 500Hz when...
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