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Sound travels faster in iron than in air...

Sound travels faster in iron than in air.

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Statement-1 : Light travels faster in glass than in air. Statement-2 : Because air is rarer than glass.

Consider a closed box of rigid walls so that the density of the air inside it is constant. On heating, the pressure of this enclosed air is increased from P_0 to P. It is now observed that sound travels 1.5 times faster than at pressure P_0 . Calculate P//P_0

Assertion: Speed of light in glass is indep[endent of the colour of light. Reason : the violet colour travels faster than the red light in a glass prism.

Hydrogen gas is filled in two identical bottles, A and B, at the same temperature. The mass of hydrogen in the two bottles is 12 gm and 48 gm respectively. In which bottle will sound travel faster? How many times as fast as the other?

Hydrogen gas is filled in two identical bottles, A and B, at the same temperature. The mass of hydrogen in the two bottles is 12 g and 108 g respectively. In which bottle will sound travel faster? [low many times as fast as the other?

Hydrogen gas is filled in two identical bottles, A and B, at the same temperature. The mass of hydrogen in the two bottles is 12 gm and 48 gm respectively. In which bottle will sound travel faster? How mant times as fast as the other?

Hydrogen gas is filled in two identical bottles, A and B, at the same temperature. The mass of hydrogen in the two bottles is 12 gm and 48gm respectively. In which bottle will sound travel faster? How many times as fast as the other?

Hydrogen gas is filled in two identical bottles, A and B, at the same temperature. The mass of hydrogen in the two bottles is 10 gm and 90gm respectively. In which bottle will sound travel faster? How many times as fast as the other?

State whether the following statements are True or False: The speed of sound in water is less than that in air.

A sound wave of frequency 'v' Hz initially travels a distance of 1 km in air.Then it gets reflected into a water reseroir of depth 600 m. The frequency of the wave at the bottom of the reervoir is ( v_(air ) =340 m/s ,v_( water ) =148 m/s )