The ratio of velocity of sound in hydrogen and oxygen at STP is                      

Related MCQs

• A composite wall of a furnace has two layers of equal thickness having thermal conductivities in the ratio 2:3. What is the ratio of the temperature drop across the two layers?
• The disc of a siren containing 60holes rotates at a constant speed of 360rpm. The emitted sound is in unison with a tuning fork of frequency.
• The quantity which does not change, when sound enters from one medium to another
• Sound travels through a gas under which of the following condition?
• In which medium sound travels faster?
• A wave equation is y=0.1sin[100πt-kx] and wave velocity is 100m/s, its number is equal to                      
• A composite wall is made of two layers of thickness δ1 and δ2 having thermal conductivities k and 2k and equal surface area normal to the direction of heat flow. The outer surface of composite wall are at 100 degree Celsius and 200 degree Celsius. The minimum surface temperature at the junction is 150 degree Celsius. What will be the ratio of wall thickness?
•                is the velocity with which water reaches the notch or before it flows over it.
• A radio station broadcasts its programme at 219.3 metre wavelength. Determine the frequency of radio waves if velocity of radio waves is 3×108 m/s.
• Three metal walls of the same thickness and cross sectional area have thermal conductivities k, 2k and 3k respectively. The temperature drop across the walls (for same heat transfer) will be in the ratio