Maths-
General
Easy
Question
Successor of every even number is
- Even
- Prime
- Odd
- None
The correct answer is: Odd
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The two consecutive prime numbers with a difference 2 are called
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Which of the following will have the least value of q/m
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One mole of an ideal monoatomic gas undergoes a cyclic process as shown in figure. Temperature at point 1 = 300 K and process 2-3 is isothermal. The efficiency of cycle is
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One mole of an ideal monoatomic gas undergoes a cyclic process as shown in figure. Temperature at point 1 = 300 K and process 2-3 is isothermal. Heat capacity of process null is
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. When it is excited from ground state by monochromatic radiations of 
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Physics-General
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A 7Li target is bombarded with a proton beam current of 10-4A for 1 hour to produce. 7Be of activity 1.8 x 108 disintegrations per second. Assuming that one 7Be radioactive nucleus is produced by bombarding 1000 protons. Half life of 7Be is ………….. (approx.)
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A strong magnetic field is applied on a stationary electron, then
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Three particles having their charges in the ratio of 1 : 3 : 5 produce the same spot on the screen in Thomson’s experiment. Their masses are in the ratio of
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A wire carrying current I and other carrying 2I in the same direction produces a magnetic field B at the mid point. What will be the field when 2I wire is switched off
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A coil having N turns carry a current I as shown in the figure. The magnetic field intensity at point P is
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Which of the following gives the value of magnetic field according to, Biot-Savart’s law'.
Which of the following gives the value of magnetic field according to, Biot-Savart’s law'.
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Which of the following will have the least value of 
Which of the following will have the least value of
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One Tesla is equal to
One Tesla is equal to
Physics-General
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The correct graph between the maximum energy of a photoelectron and the inverse of wavelength of the incident radiation is given by the curve
The correct graph between the maximum energy of a photoelectron and the inverse of wavelength of the incident radiation is given by the curve
Physics-General
