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MOTION-SHM-WAVE,GRAVITATION,FLUID,HEAT-EXERCISE
- A car moving at 20 m//s with its horn blowing (n = 1200 Hz) is chasing...
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- A whistle emitting a sound of frequency 440 Hz is tied to string of 1....
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- How many grams of a liquid of specific heat 0.2 at a temperature 40^(@...
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- 300 grams of water at 25^@ C is added to 100 grams of ice at 0^@ C. Th...
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- If two balls of same metal weighing 5 gm and 10 gm strike with a targe...
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- The graph shows the variation of temperature (T) of one kilogram of a ...
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- A student takes 50 g wax (specific heat =0.6 kcal//kg^(@)C) and heats ...
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- Which of the substances A, B or C has the highest specific heat ? The ...
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- Newton's law of cooling is used in laboratory for the determination of...
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- A bucket full of hot water is kept in a room and it cools from 75°C to...
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- The rectangular surface of area 8 cm xx 4 cm of a black body at temper...
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- The temperature of a body is increased from –73°C to 327°C. Then the r...
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- What will be the ratio of temperatures of sun and moon if the waveleng...
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- Liquid is filled in a vessel which is kept in a room with temperature ...
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- The maximum wavelength of radiation emitted at 200 K is 4 μm. What wil...
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- Two rods of same material and thickness are joined as shown below. The...
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- In previous question the ratio of heat flow at M and N are Q1 and Q2 r...
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- Two rods of the same length and areas of cross-section A1 and A2 have ...
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- On heating one end of a rod the temperature of the whole rod will be u...
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- A cylinder of radius R made of a material of thermal conductivity K1 i...
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