# Physics Quiz 6

• ## A pendulum Bob executes simple harmonic motion. which value is maximum and the bob is in the mean position?

• Time period
• Mass of two particle
• Amplitude
• Video city

• Oersted
• Ampere
• Laplace
• Ohm
• ## For a transversely vibrating string the frequency of vibration is directly proportional to

• Linear density
• Its length
• None of these

• Pascal
• Plank
• Einstein
• Pauli

• mv^2
• m^2 v
• mv
• m/v
• ## The period of oscillation of simple pendulum is

• decreases with length
• is independent of length
• increases with length
• increases with amplitude
• ## The weight of the body at the centre of the Earth is

• Infinite
• Slightly less than at the poles
• Slightly less than at the equator
• zero
• Slightly less than at the equator
• ## Rainbow is caused by

• Interference
• Diffraction
• Total internal reflection
• Dispersion
• ## Water drops are spherical because of its

• Viscosity
• Surface tension
• Density
• Polarity
• ## Loudness of sound produced by a vibrating string is directly proportional to

• Amplitude
• Square of the amplitude
• Frequency
• Vibrating length

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