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The string of a pendulum is horizontal. Mass of the bob is m. Now the string is released, what is the tension in the string at lowest position Ans) If string length is L, Conserving energy, velocity at lowest point is (2gL)1/2 Centripetal force mv2/L= 2mg. T- mg= mv2/LT= 3mg
Ask queA cart of weight 25 N is released at the top of an inclined plane of length 1m, which makes an angle of 30° with the ground. It rolls down the plane and hits another cart of
Light is shined into a glass rod. To guarantee the total internal reflection (TIR) happens to all the possible rays, what is the minimum index of refraction n for the glass?
Q. Write any three applications of laser in industry. Industrial applications (i) The laser beam is utilized to drill extremely fine holes in diamonds hard sheets etc.
Cosmological constant; Lambda The constant introduced towards the Einstein field equation, planned to admit static cosmological solutions. During current philosophical view wa
A 95.7-nm film of an unknown substance is able to prevent 555-nm light from being reflected when surrounded by air. What is the index of refraction of the substance 2d
functions of the time base on the C.R.O
Working of terrestrial telescope
Write the Maxwell's electromagnetic equation, which follows from the non-existence of isolated magnetic pole
what is atom
how to solve question for kinematics problem
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