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

The frequency of the incident light falling on a photosensitive metal plate is doubled, the kinetic energy of the emitted photoelectrons is

Question # 2

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

Question # 3

When the length of a microscope tube increase, its magnifying power

Question # 4

When we apply reverse bias to a junction diode, it

Question # 5

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 # 6

A capacitor acts as an infinite resistance for

Question # 7

The volt/metre is the unit of:

Question # 8

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

Question # 9

A planet is observed by an astronomical refracting telescope having an objective of focal length 16 m and an eyepiece of focal length 2 cm.

Question # 10

Bernoulli's equation is based upon law of conservation

Question # 11

A couple produces

Question # 12

If yellow light emitted by sodium lamp in Young's double slit experiment is replaced by monochromatic blue light of the same intensity

Question # 13

Which of the following is not thermo dynamical function?

Question # 14

The primary winding of transformer has 500 turns whereas its secondary has 5000 turns. The primary is connected to an a.c. supply of 20 V, 50 Hz. The secondary will have an output of

Question # 15

The structure of solids is investigated by using

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The nucleus 6C12 absorbs an energetic neutron and emits a beta particle (β). The resulting nucleus is
A. 7N14
B. 5B13
C. 7N13
D. 6C13
2 The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart, with force of repulsion between the spheres to be 10-19N, is
A. 25
B. 225
C. 625
D. 1250
3 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
4 In a simple harmonic motion the kinetic energy (KE) and the potential energy (PE), are such that throughout the motion
A. KE remains constant
B. PE remains constant
C. KE/PE is constant
D. KE+PE remains constant
5 A 2 kg body and a 3 kg body have equal momentum. If the kinetic energy of 3 kg body is 10 J, the KE of 2 kg body will be
A. 6.66 J
B. 15 J
C. 22.5 J
D. 45 J
6 Centre of mass is a point
A. Which is geometric centre of a body
B. From which distance of particles are same
C. Where the whole mass of the body is supposed to be centered
D. Which is the origin of reference frame
7 According to Stoke's law, drag force depends on
A. Initial velocity
B. Final velocity
C. Terminal velocity
D. Instantaneous velocity
8 If tube length of astronomical telescope is 105 cm and magnifying power is 20 for normal setting. Calculate the focal length of objective
A. 100 cm
B. 10 cm
C. 20 cm
D. 25 cm
9 If yellow light emitted by sodium lamp in Young's double slit experiment is replaced by monochromatic blue light of the same intensity
A. Fringe width will decrease
B. Fringe width will increase
C. The fringe width will remain unchanged
D. Fringes will becomes less intense
10 A particle moving in a magnetic field has increase in its velocity, then its radius of the circle
A. Decreases
B. Increases
C. Remains the same
D. Becomes half

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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