How many times alpha particle is massive than an electron (approximate answer) A

Question

How many times alpha particle is massive than an electron (approximate answer) A) 5000 B) 7000 C) 10,000 D) 100 When the metal exposed to light, it may emits electrons. The maximum energy of these electrons depends on A) Intensity of light B) Area of metal surface C) Wavelength of light D) All of above A transistor CANNOT be used as a: A) switch B) Amplifier C) X-Ray machine D) Inverter A 500 kg rocket travels in deep space at a constant speed of 3000m/s the power being produced by the rocket engine at this time is: A) 1500KW B) 6KW C) 0.16KW D) None of the above As the water falls from a tap, its cross sectional area should decrease according to: A) Bernoulli's equation B) Continuity equation C) Venturi relation D) None of the above

Explanation / Answer

(115) 7000 - Option B

(116) Intensity of light (A)

(117) X-ray Machine (C)

(118) None of the above (D)

(119) Bernoulli's equation

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