A bus of mass 6 metric tons is pulled at a speed of 18 KMPH an up incline of inclination 1 in 20. Power of the engine is, (g =&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mn>10</mn><mi>m</mi><msup><mi>s</mi><mrow><mo>-</mo><mn>2</mn></mrow></msup></math>)

If alpha, beta and gamma rays carry same momentum, which has the longest wavelength?

When a 25 watt point source of power, emitting monochromatic light of wavelength&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mn>4000</mn><mover><mtext>A</mtext><mtext>o</mtext></mover></math>&nbsp;is kept at a distance of 50 cm from a photo sensitive surface of work function 2 eV. Then stopping potential needed to stop the most energetic emitted photo electrons is&nbsp;

Which of the following cannot be explained on the basis of photoelectric theory? I. Instantaneous emission of photoelectrons&nbsp;II. Existence of threshold frequency&nbsp;III. Sufficiently intense beam of radiation can emit photoelectrons&nbsp;IV. Existence of stopping potential&nbsp;

The energy of a photon is&nbsp;<math style="font-family:'Times New Roman';" xmlns="http://www.w3.org/1998/Math/MathML"><mi mathvariant="normal">E</mi><mo>=</mo><mi mathvariant="normal">h</mi><mi>ν</mi></math>&nbsp;and the momentum of the photon&nbsp;is&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi mathvariant="normal">p</mi><mo>=</mo><mfrac><mi mathvariant="normal">h</mi><mi mathvariant="normal">λ</mi></mfrac></math>, then the velocity of photon will be

A body of mass 2 kg is accelerated from rest to a velocity of 20 m s–1 in 5 s. What is the work done and power consumed?

A bus of mass 6 metric tons is pulled at a speed of 18 KMPH an up incline of inclination 1 in 20. Power of the engine is, (g = $10 m s^{- 2}$ )

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A bus of mass 6 metric tons is pulled at a speed of 18 KMPH an up incline of inclination 1 in 20. Power of the engine is, (g = 10ms-2)

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A bus of mass 6 metric tons is pulled at a speed of 18 KMPH an up incline of inclination 1 in 20. Power of the engine is, (g = $10 m s^{- 2}$ )