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 photocell with a constant p.d. of V volt across it illuminated by a point source from a distance of 25 cm. When the source is moved to a distance of 1m, the electrons emitted by the photocell

Question # 2

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 # 3

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

Question # 4

The contrast in the fringes in any interference pattern depends on

Question # 5

For obtaining appreciable extension, the wire should be

Question # 6

If the earth were to rotate faster, than its present speed the weight of an object will

Question # 7

Two point charges A and B separated by a distance R attract each other with a force of 12 x 10-3N. The force between A and B when the charges on them are doubled and distance is halved

Question # 8

The product of the pressure and volume of an ideal gas is

Question # 9

In an A.C. circuit, a resistance of R ohm is connected in series with an inductance L. If phase angle between voltage and current be 45°, the value of inductive reactance will be

Question # 10

Velocity of sound in a diatomic as is 300 m/sec, what is its rms velocity?

Question # 11

The percentage errors in the measurements of mass and speed are 2% and 3% respectively. How much will be the maximum error in the estimate of the kinetic energy obtained by measuring mass and speed

Question # 12

Which of the following is a scalar quantity?

Question # 13

With the increase of temperature viscosity

Question # 14

What remains constant when the earth revolves around the sun?

Question # 15

The sum of the magnitude of two forces acting at a point is 18 and the magnitude of their resultant is 12. If the resultant is at 90°with the force of the smaller magnitude, then their magnitudes are:

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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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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Two sources of sound are said to be coherent if
A. They produce sounds of equal intensity
B. They produce sounds of equal frequency
C. They produce sound waves vibrating with the same phase
D. They produce sound waves with zero or constant phase different all instant of time
2 A fly is sitting on the objective of a telescope pointed towards the moon.
What effect is expected on the photography of the moon taken through the telescope?
A. The entire of view blocked
B. There is an image of the fly on the photography
C. There is no effect at all
D. There is a reduction in the intensity of the image
3 A sun rise or sun set, the sun looks reddish because:
A. The sun is coldest at these times
B. Of the effects of reflection and refraction
C. The sun is hottest at these times
D. Of the scattering of light
4 According to the Hooke's law the force required to change the length of a wire by 'I' is proportional to
A. I-2
B. I-1
C. I
D. I2
5 When we apply reverse bias to a junction diode, it
A. Lowers the potential barrier
B. Raise the potential barrier
C. Increase the majority carrier current
D. Increase the minority carrier current
6 A cable that can support a load W is cut into two equal parts. The maximum load that can be supported by either part is:
A. W/4
B. W/2
C. W
D. 2W
7 Which of the following is not thermo dynamical function?
A. Enthalpy
B. Work done
C. Gibb's energy
D. Internal energy
8 Two point charges A and B separated by a distance R attract each other with a force of 12 x 10-3N. The force between A and B when the charges on them are doubled and distance is halved
A. 1.92 N
B. 19.2 N
C. 12 N
D. 0.192 N
9 The angle between rectangular components of a vector is
A. 0°
B. 60°
C. 90°
D. 120°
10 To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined
A. Parallel
B. Antiparallel
C. At angle 60°
D. Perpendicular to each other

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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