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35*41 = 35 + 41 = 76 = 7 + 6 = 13 47*35 = 47 + 35 = 82 = 8 + 2 = 10 29*59 = 29 + 59 = 88 = 8 + 8 = 16
A string of length L is fixed at both ends. It supports a standing wave with 3 antinodes. If the speed of the wave on the string is v, what is the freq...
What is the magnitude of magnetic force per unit length on a wire carrying a current of 10 A and making an angle of 30° with the direction of a unif...
What is colour of light related to?
Which of the following phenomena cannot be explained by the wave theory of light?
Why does a lemon appear larger when viewed from the side of a glass of water?
Match the following machines with their working principles:
(i) Electric motor - (a) Heat energy into mechanical energy
(ii) Steam engin...
Bernoulli's Principle is derived from which fundamental law?
A block rests on another block, and the lower one is pulled with a horizontal force. If the coefficient of friction between them is μ, what is the maxi...
The half-life of a radioactive substance is 5 hours. How much of the substance remains after 15 hours?
An object initially at rest explodes into several fragments. If no external forces act during the explosion, the center of mass of the fragments will: