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The component of a vector is...

The component of a vector is

A

Always less than its magnitude

B

Always greater than its magnitude

C

Always equal to its magnitude

D

None of these

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The correct Answer is:
B
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ALLEN-TEST PAPER 4-PHYSICS
  1. Sum of magnitude of two forces is 20 N and magnitude of their resultan...

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  2. Which of the sets given below any represent the magnitudes of three ve...

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  3. The component of a vector is

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  4. One of the two rectangular components of a force is 20 N and it makes ...

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  5. Three forcs acting on body are shown in the figure . To have the resul...

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  6. If vecA 2 hati +hatj -hatk, vecB=hati +2hatj +3hatk, vecC=6hati -2hatj...

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  7. The vector component of vector vecA =3hati +4hatj +5hatk along vecto...

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  8. The angle between the vectors vecA and vecB is theta. The value of v...

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  9. The minimum number of vectors having different planes which can be add...

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  10. Find a unit vector perpendicular to each one of the vectors vec a =4ha...

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  11. If veca=2hati+6hatj +3hatk, vecb=hati+lamdahatj+muhatk if veca xxvecb...

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  12. A plate of mass 10 gm is in equillibrium in air due to the force exter...

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  13. A laser beam of power 20W incident normally on a surface. if 25% light...

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  14. How many photons per second does a one watt bulb emit if its efficienc...

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  15. A hydrogen atom moving at a speed v absorbs a photon of wavelength 122...

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  16. When a metallic surface is illuminated by a monochromatic light of lam...

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  17. Photoelectric emission is observed from a metallic surface for frequen...

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  18. Electric field associated with a light wave is given E= E(0) sin [1.57...

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  19. When a monochromatic point source of light is at a distance of 0.2 m...

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  20. Light of wavelength 200 nm incident on a metal surface of threshold wa...

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