If 12 # 34 = 14 and 67 # 88 = 106, then 45 # 67 = ?
(1 x 2) + (3 x 4) = 2 + 12 = 14 (6 x 7) + (8 x 8) = 42 + 64 = 106 (4 x 5) + (6 x 7) = 20 + 42 = 62
Tungsten is used for the manufacture of the filament of an electric bulb, because –
Newton’s second law of motion primarily explains which of the following?
Which of the following materials behaves as a dielectric?
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Match the following machines with their working principles:
(i) Electric motor - (a) Heat energy into mechanical energy
(ii) Steam engin...
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The correct option, if speeds of gamma rays, X-rays and microwave are Vg, Vx an Vm respectively will be
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