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ALLEN -TEST PAPER 4-PHYSICS
- The component of a vector is
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- One of the two rectangular components of a force is 20 N and it makes ...
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- Three forces acting on a body are shown in figure. To have the resulta...
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- If vecA 2 hati +hatj -hatk, vecB=hati +2hatj +3hatk, vecC=6hati -2hatj...
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- The vector component of vector vecA =3hati +4hatj +5hatk along vecto...
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- The angle between the vectors vecA and vecB is theta. The value of v...
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- How many minimum numbers of non zero vectors in different planes can b...
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- Find a unit vector perpendicular to each one of the vectors vec a =4ha...
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- If veca=2hati+6hatj +3hatk, vecb=hati+lamdahatj+muhatk if veca xxvecb...
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- A plate of mass 10g is in equilibrium in air due to the force exerted ...
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- A laser beam of power 20W incident normally on a surface. if 25% light...
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- How many photons per second does a one watt bulb emit if its efficienc...
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- A hydrogen atom moving at a speed v absorbs a photon of wavelength 122...
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- When a metallic surface is illuminated by a monochromatic light of lam...
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- Photo-electric emission is observed from a metalli surface for frequen...
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- Electric field associated with a light wave is given E= E(0) sin [1.57...
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- When a monochromatic point source of light is at a distance of 0.2 m f...
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- Light of wavelength 200 nm incident on a metal surface of threshold wa...
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- For a photoelectric experiment graph between kinetic energy of fastest...
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- The componant of vector 2 hati -3 hatj +2hatk perpendicular to the ve...
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