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

  • Total Questions15

  • Time Allowed15

Start Test Download PDF

NAT II Physical Science Physics

00:00
Question # 1

As the electron in Bohr orbit of hydrogen atom passes from stat n = 2 to n = 1, the kinetic energy K and potential energy U change as

Question # 2

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 # 3

Which one of the following is a simple harmonic motion?

Question # 4

A charge Q is divided into two parts q and Q - q and separated by a distance R. The force of repulsion between them will be maximum when:

Question # 5

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 # 6

With the increase of temperature viscosity

Question # 7

What will be the duration of the day and night (in hour) if the diameter of the earth is suddenly reduced to half its original value, the mass remaining constant?

Question # 8

When n-type of semiconductor is heated

Question # 9

The initial velocity of a body moving along a straight line in 7 m/s. It has a uniform acceleration of 4 m/s2. The distance covered by the body in the 5th second of its motion is

Question # 10

When light wavelength 300 nm (nanometer) falls on a photoelectric emitter, photoelectrons are liberated. For another emitter, however, light of 600 nm wavelength is sufficient for creating photoemission. What is the ratio of the work functions of the two emitters?

Question # 11

The dimensional formula for the modulus of elasticity is same as that for:

Question # 12

Blood has a density

Question # 13

The temperature at which the speed of sound becomes double as was at 27°C is

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

All of the following statements are correct except

Submit

Prepare Complete Set Wise NAT II Physical Science Physics MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of NAT II Physical Science Physics MCQ`s Test

  • H
    Hifzafatima 30 - Dec - 2018 00 Min 16 Sec 15/15
  • S
    sarfraz 08 - Dec - 2018 02 Min 51 Sec 14/15
  • Z
    Zarrar Durrani 12 - Jul - 2024 12 Min 04 Sec 13/15
  • M
    maria 12 - Jan - 2019 02 Min 24 Sec 11/15
  • R
    Robina Naz 30 - May - 2022 02 Min 31 Sec 11/15
  • M
    maryam 10 - Feb - 2019 05 Min 21 Sec 11/15
  • F
    Fahad 15 - Mar - 2019 00 Min 15 Sec 10/15
  • M
    Mussawar 11 - Nov - 2018 05 Min 30 Sec 9/15
  • A
    Aqeela Batool 16 - Dec - 2022 10 Min 50 Sec 9/15
  • M
    M.umais 18 - Jul - 2021 02 Min 58 Sec 8/15
  • M
    Muhammad Mujahid 11 - Jan - 2019 03 Min 06 Sec 8/15
  • M
    Muhammad Ali 19 - Aug - 2021 04 Min 28 Sec 8/15
  • M
    maleaha mansoor 04 - Nov - 2022 01 Min 05 Sec 7/15
  • H
    Hajra 01 - Dec - 2018 03 Min 05 Sec 7/15
  • L
    Lolo Polo 22 - Jul - 2022 03 Min 06 Sec 7/15

NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 If the metal bob is a simple pendulum is replaced by a wooden bob, then its time period will
A. Increas
B. Decreases
C. Remain the same
D. First A then B
2 In case of p-n junction diode, at high value of reverse bias, the current rises sharply. The value of reverse bias is known as:
A. Cut off voltage
B. Zener voltage
C. Inverse voltage
D. Critical voltage
3 To make the frequency double of an oscillator, we have to
A. Double the mass
B. Half the mass
C. Quadruple the mass
D. Reduce the mass to one fourth
4 Radio waves of constant amplitude can be generated with
A. Rectifier
B. Filter
C. FET
D. oscillator
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)
A. 3.2 x 10-21 J
B. 3.2 x 10-19 J
C. 7 x 10-25 J
D. 9 x 10-32 J
6 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
7 Surface tension of water is due to
A. Inter molecular attractions
B. Intermolecular spaces
C. Inter molecular repulsion
D. None of above
8 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
A. 11%
B. 8%
C. 5%
D. 1%
9 Which quantity is increased in step-down transformer?
A. Current
B. Voltage
C. Power
D. Frequency
10 Which one of the following phenomena is not explained by Hugen's construction of wavefront?
A. Refraction
B. Reflection
C. Diffraction
D. Origin of sepectra

Test Questions