Generate Quiz 68AF58ADDC615

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Generate Quiz 68AF58ADDC615

1 / 20

A sample of a radioactive element with initial mass of 24 gm decayed to 3 gm in 36 minutes. How much of the original sample remained after the first 12 minutes?

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2 / 20

A homogeneous disc of mass 2 kg and radius 15 cm is rotating about its axis (which is fixed) with an angular velocity of 4 radian/sec. The linear momentum of the disc is:

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3 / 20

In parallel combination of capacitors, voltage is:

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4 / 20

The most widely used rectifier is

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5 / 20

Consider a capacitor has vacuum in the space between the conductors. If we double the amount of charge on each conductor, what happens to the capacitance?

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6 / 20

The work done in emitting the electron from an atom or from a molecule is

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7 / 20

If you throw a ball downward, then its acceleration immediately after leaving your hand, assuming no air resistance, is:

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8 / 20

What voltage is required to store 7.2 x 105 C of charge on the plates of a 6.0 μF capacitor?

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9 / 20

For adiabatic process, the first law of thermodynamics is:

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10 / 20

The property due to which substances attract or repel each other is called:

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11 / 20

A bullet on penetrating 30cm into its target loses its velocity by 50%. What additional distance will it penetrate into its target before it comes to rest?

NUMS 2014
Physics
Forces and Motion
Equations of Uniformly Accelerated Motion
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12 / 20

Which is the unit of energy

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13 / 20

A projectile is launched at 45° to the horizontal with a force of initial kinetic energy “E”. Assuming air resistance to be negligible, what will be the kinetic energy of the project when it reaches its highest point?

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14 / 20

____ potential difference is required for establishing steady current?

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15 / 20

Centrifuge is used to purify?

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16 / 20

What will the de Broglie wavelength of a 150 g mass moving with a velocity of 50 m/s be?

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17 / 20

What is true about acceleration of an object undergoing simple harmonic motion?

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18 / 20

If the velocity of a charged particle and magnetic field are at a fixed angle that is not 90 degrees, then the path will be:

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19 / 20

If a car is travelling eastward and slowing down, what is the direction of acceleration?

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20 / 20

As the temperature of a black body is raised, the black body radiations become richer in:

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