NAT IIP Physical Science Physics Preparation Online Test for Pakistani Students

MCQ's Test For NAT II Physical Science Physics

Try The MCQ's Test For NAT II Physical Science Physics

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NAT II Physical Science Physics

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Question # 1

A cable breaks if stretched by more than 2 mm. It is cut into two equal parts. How much either part can be stretched without breaking?

Question # 2

The structure of solids is investigated by using

Question # 3

How does the Young's modulus vary with the increase of temperature?

Question # 4

A conducting wire is drawn to double its length. Final resistivity of the material will be

Question # 5

To explain his theory Bohr used

Question # 6

A boy is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about

Question # 7

If 2.2 kilowatt power is transmitted through a 10 ohm line at 22000 volt, the power loss in the form of heat will be

Question # 8

A particle moves along a circular path under the action of a force. The work done by the force is

Question # 9

Two forces are acting together on an object. The magnitude of their resultant is minimum when the angle between the force is

Question # 10

The conductivity of a superconductor is

Question # 11

The mass defect for the nucleus of helium is 0.0303 a.m.u. What is the binding energy per nucleon for helium in MeV?

Question # 12

The henry is the unit for

Question # 13

Which of the following is not thermo dynamical function?

Question # 14

Ultra-violet radiation of 6.2 eV falls on an aluminium surface. K.E. of fastest electron emitted is (Work function = 4.2 eV)

Question # 15

For production of beats the two sources must have

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    Zarrar Durrani 12 - Jul - 2024 12 Min 04 Sec 13/15
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    Hajra 01 - Dec - 2018 03 Min 05 Sec 7/15
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    Lolo Polo 22 - Jul - 2022 03 Min 06 Sec 7/15

NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A monochromatic source of light is placed at a large distance d from a metal surface. Photoelectrons are ejected at rate n, kinetic energy being E. If the source is brought nearer to distance d/2, the rate and kinetic energy per photoelectron become nearly
A. 2n and 2E
B. 4n and 4E
C. 4n and E
D. N and 4E
2 A motorist travels A to B at a speed at 40 km/h and returns at speed of 60 km/h. His average speed will be
A. 40 km/h
B. 48 km/h
C. 50 km/h
D. 60 km/h
3 The product of the pressure and volume of an ideal gas is
A. A constant
B. Approximately equal to the universal gas constant
C. Directly proportional to its temperature
D. Inversely proportional to its temperature
4 The twinkling of stars is due to
A. The fact that stars do not emit light continuously
B. The refractive index of the earth's atmosphere fluctuate
C. Intermittent absorption of star light by its own atmosphere
D. None of these
5 Which one of the following is a simple harmonic motion?
A. Wave moving through a string fixed at both ends
B. Earth spinning about its own axis
C. Ball bouncing between two rigid vertical walls
D. Particle moving in a circle with uniform speed
6 The conductivity of a superconductor is
A. Infinite
B. Very large
C. Very small
D. Zero
7 The length of a telescope is 36 cm. The focal lengths of its lenses can be
A. 30 cm, 6 cm
B. -30 cm, -6 cm
C. 30 cm, -6cm
D. -30cm, 6cm
8 A bullet is shot from a rifle. As a result the rifle recoils. The kinetic energy of rifle as compared to that of bullet is
A. Less
B. Greater
C. Equal
D. Cannot be concluded
9 In a Millikan's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10-19C. The number of excess electrons on the drop is
A. 3.9
B. 4
C. 4.2
D. 6
10 A converging lens is used to form an image on a screen. When the upper half of the lens is covered by an opaque screen
A. Half the image will disappear
B. No change either in size or in intensity
C. Intensity of image will increase
D. Intensity of the image will decrease

Test Questions

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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