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PRADEEP-PHYSICAL WORLD AND MEASUREMENT-Problems for Practice
- How much longer is a per sec from a light year?
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- Convert an acceleration of 2km h^(-2) into cm s^(-2)
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- The relative density of lead is 11.3. its density = ….. g cm^(-3) = …...
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- fill in the blanks by suitable conversion of units : (i) 5ms^(-2) = ...
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- 76 cm of mercury column is a measure of atmospherice pressure. Express...
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- How many amu would make up 1 kg?
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- How many astronomical units make up one light year?
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- The value of universal gravitational constant is 6.67xx10^(-8) "dyne"...
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- The acceleration of a body is 2 km//h^2. Express it in cm//s^2
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- Estimate the order of magnitude of surface area of earth.
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- Estimate the order of number of seconds in a century.
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- From a quasar, light takes about 3 billion years to reach the surface...
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- When planet Jupiter is at a distance of 824.7 million km from earth, i...
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- A star is located 9 ly away from us. What is its distance in par sec ?...
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- When the observations are taken at an interval of 6 months, the angle ...
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- A drop of olive oil of radius 0.25 mm spreads into a circular film of ...
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- The shadow of a pole standing on a level ground is found to be 45 m lo...
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- A radar signal is beamed towards a planet and its echo is recived 7 mi...
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- Find the period of revoluition of planet Mars about the sun if mean d...
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- A drop of olive oil of radius 0.3 mm spreads into a rectangular film o...
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