Unit 1 ke sabhi laghu uttariya prashn

Polygon ke sabhi angles ka sum kese nikaalna hai

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An electron enters with kinetic energy KE_1 , between the plates of a capacitor with a velocity making angle alpha as shown and leaves with KE_2 making angle beta ?. Find (KE_1)/(KE_2) ?

Araindrop of mass 1 . 00 g falling from a height of 1 km hits the ground with a speed of 50 m s"^(-1) . Calculate (a) the loss of the drop . (b) the gain in K.E of the drop (c ) Is the gain in K.E equal to loss of P.E ? If not why ? Take g = 10 "ms"^(-2) .

A proton with KE equal to that a photono (E = 100 keV). lambda_(1) is the wavelength of proton and lambda_(2) is the wavelength of photon. Then lambda_(1)/lambda)_(2) is proportional to:

If 10 cm is taken as unit of length, then the height of a person 1.78 m tall in the new system of units is _______ units.

Unit and dimension-1

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In a certain code 'ke pa lo ti' means 'lamp is burning bright' 'lo si ti ba ke' means 'bright light is from lamp'. Which of the following is the code for 'burning' in that language ? 1) si 2) pa 3) ti 4) ke 5) None of these