Answer Posted / sunitha

c)faraday:diffusion of gases

How fast can a shadow move ? If a moth fly's in front of a very bright room temperature light powerful enough to light up Saturn like the sun could it's shadow move faster then light if there was no light diffusion.

2135

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What happens to the velocity of sound with the rise of temperature?

961

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What is a positron?

1050

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Explain what is optical medium?

938

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What is the shadows?

979

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All elements with an atomic number greater than what number are unstable?

1062

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Find the physical quantity in units from the equation: (Force*Distance)/(Velocity*Velocity)

1014

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Explain what is the difference between diffraction and interference?

959

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Explain planck’s hypothesis? : quantum physics

1033

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What are the characteristics of dead stars?

1079

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Explain the working of basic rubber ink filler

950

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For projectiles fired at identical speeds but various angles from the ground, neglecting air resistance and the curvature of the earth, at what angle will the maximumhorizontal distance be attained?

904

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When the sound intensity is above 120 decibel, what happen to human ears?

1126

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explian construction and working of various dye lasers

1956

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A solar collection has been installed to heat water. A large water tank has a volume of 5.0 x 105 cm3. The area of the solar collectors is 8m2. (2 meters by 3 meters). If the water in the tank starts out with a temperature of 30°C in the morning, what is its temperature in the evening after the sun has set?

1988

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