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A LASER is a source of very intense mono...

A LASER is a source of very intense monochromatic , and unidirectional beam of light , These properties of a LASER light can be exalted to measure long distances. The distance of the precisely using a LASER as a source of light. LASER light beamed at the Moon taken 2.56 s to return after reflection at the Moon's surface How much is the radius of the lunar orbit around the Earth ?

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PATHFINDER-KINEMATICS - II-QUESTION BANK
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  2. When the planet Jupiter is at a distance of 824.7 million kilometres f...

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  3. A LASER is a source of very intense monochromatic , and unidirectional...

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  4. It is well known fact that during a total solar eclipse, the disc of t...

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  5. Which of the following pairs of physical quantities does not have same...

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  6. If momentum (P), area (A) and time (T) are taken to be fundamental qua...

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  7. The distance travelled by an object depends on time according of follo...

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  8. The van der Waals equation for n moles of a real gas is (P+(n^2a)/V^2)...

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  9. If density [D], acceleration due to gravity (g) and frequency (f) are ...

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  10. The velocity of sound in a gas depends on its pressure and density. A ...

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  11. Nkg^-1 is the unit o

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  12. Which of the following is not a unit of time ?

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  13. A laser signal sent towards the moon returns after t second. If c is s...

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  14. The dimension of pressure gradient are

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  15. Which of the following equations is dimensionally correct ?

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  17. Which of the following is a dimensional constant ?

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  19. The dimensions of the Rydberg constant are

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