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In an SHM the time taken to go from mean position to A/2 is the same as that from A/2 to A. True or False? Here, A is the amplitude of motion.
answered
Oct 3, 2021
in
Class-XI-PHYSICS
cbse
0
votes
What will happen to the time period of a simple pendulum if temperature of the surroundings is significantly increased?
answered
Oct 3, 2021
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Class-XI-PHYSICS
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0
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Damping force on a spring mass system is proportional to which of the following quantities?
answered
Oct 3, 2021
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Class-XI-PHYSICS
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0
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What is the ratio of speed of sound in air when measured after laplace correction to that measured by Newton’s formula?
answered
Oct 3, 2021
in
Class-XI-PHYSICS
cbse
0
votes
Consider the case of normal modes of vibration for the air column with only one end closed. What is the length of the air column for the fundamental harmonic?
answered
Oct 3, 2021
in
Class-XI-PHYSICS
cbse
0
votes
Consider standing waves in an air column with one end closed. What is a pressure node?
answered
Oct 3, 2021
in
Class-XI-PHYSICS
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0
votes
Laplace correction makes use of which of the following processes?
answered
Oct 3, 2021
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Class-XI-PHYSICS
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0
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y1 = 2sin(3x – 2t) & y2 = 3sin(3x – 2t + π/4). Find the expression for resultant displacement caused by superposition of the two waves.
answered
Oct 3, 2021
in
Class-XI-PHYSICS
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0
votes
Consider the phenomenon of beats & select the correct statement.
answered
Oct 3, 2021
in
Class-XI-PHYSICS
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0
votes
In a standing wave the amplitude of a particle is fixed, but varies from particle to particle. True or False?
answered
Oct 3, 2021
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Class-XI-PHYSICS
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0
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A source moves towards a stationary observer with a speed of 10m/s. If the frequency of the source is 10Hz what will be the wavelength of sound heard by the observer? Speed of sound = 330m/s.
answered
Oct 3, 2021
in
Class-XI-PHYSICS
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0
votes
If a string wave encounters a completely fixed end, what happens to its phase?
answered
Oct 3, 2021
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Class-XI-PHYSICS
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0
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What is the minimum distance between a node & an antinode in a standing wave?
answered
Oct 3, 2021
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Class-XI-PHYSICS
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0
votes
If a standing wave is vibrating in the fourth harmonic and the wavelength is λ, what is the length of the string.
answered
Oct 3, 2021
in
Class-XI-PHYSICS
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0
votes
Consider the case of normal modes of vibration for the air column with only one end closed. What is the length of the air column for the fundamental harmonic?
answered
Oct 3, 2021
in
Class-XI-PHYSICS
cbse
physics
0
votes
A pipe is open at both ends. What should be its length such that it resonates a 10Hz source in the 2nd harmonic? Speed of sound in air = 340m/s.
answered
Oct 3, 2021
in
Class-XI-PHYSICS
cbse
0
votes
Consider standing waves in an air column with one end closed. What is a pressure node?
answered
Oct 3, 2021
in
Class-XI-PHYSICS
cbse
0
votes
A pipe open at both ends has a fundamental frequency of 2Hz. If the pipe is closed at one end and half filled with water, what will be the fundamental frequency?
answered
Oct 3, 2021
in
Class-XI-PHYSICS
cbse
0
votes
Standing waves can be produced when two identical waves, having a phase difference of π, are travelling in the same direction. True or False?
answered
Oct 3, 2021
in
Class-XI-PHYSICS
cbse
0
votes
Consider the phenomenon of beats & select the correct statement.
answered
Oct 3, 2021
in
Class-XI-PHYSICS
cbse
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