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

The half-life of a radio-isotope is 5 years. The fraction of atoms decayed in this substance after 15 years will be

Question # 2

For production of beats the two sources must have

Question # 3

The contrast in the fringes in any interference pattern depends on

Question # 4

All of the following statements are correct except

Question # 5

Two electric bulbs of 200 W and 100 W have same voltage. If R1and R2be their resistance respectively then

Question # 6

What remains constant when the earth revolves around the sun?

Question # 7

A p-n junction has a thickness of the order of:

Question # 8

The mass of a proton is 1847 times that of an electron. An electron and a proton are projected into a uniform electric field in a direction at right angles to the direction of the field with the same initial kinetic energy.The

Question # 9

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?

Question # 10

A prism splits a beam of white light into its seven constituent colors. This is so because

Question # 11

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

Question # 12

Which of the following sources give discrete emission spectrum?

Question # 13

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 # 14

At a certain instant a stationary transverse wave is found to have maximum kinetic energy. The appearance of string of that instant is:

Question # 15

Who explained the origin of the Fraunhoffer lines?

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 Two forces of 10N and 15N are acting simultaneously on an object in the same direction. Their resultant is
A. Zero
B. 5N
C. 25N
D. 150N
2 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
3 The direction of induced current is such that it opposes the very cause that has produced it. This is the law of
A. Lenz
B. Faraday
C. Kirchoff
D. Fleming
4 Energy is stored in the choke coil in the form of
A. Heat
B. Magnetic energy
C. Electric energy
D. Electro-magnetic energy
5 A particle is moving in a uniform magnetic filed, then
A. its momentum changes but total energy remains the same
B. Both momentum and total energy remains the same
C. Both changes
D. Total energy change but momentum remains
6 A force of 10N is acting along y-axis. Its component along x-axis is
A. 10N
B. 20N
C. 100N
D. Zero N
7 At 0°K which of the following properties of a gas will be zero?
A. Kinetic energy
B. Potential energy
C. Vibrational energy
D. Density
8 For obtaining appreciable extension, the wire should be
A. Short and thin
B. Long and thin
C. Short and thick
D. Long and thick
9 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?
A. 0.25 m
B. 0.5 m
C. 1 mm
D. 2 mm
10 A wire of radius r has resistance R, It it is stretched to a wire of r/2 radius, then the resistance becomes
A. 2R
B. 4R
C. 16R
D. Zero

Test Questions