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

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

Question # 2

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

Question # 3

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

Question # 4

The fundamental unit which has same power in the dimensional formula of surface tension and viscosity is:

Question # 5

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 # 6

What is the average energy of N molecules of monoatomic gas?

Question # 7

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 # 8

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

Question # 9

Centre of mass is a point

Question # 10

The twinkling of stars is due to

Question # 11

Copper and germanium are cooled to 70K from room temperature, then

Question # 12

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 # 13

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

Question # 14

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

Question # 15

Planck's constant has the dimensions of:

Submit

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


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
Sr.# Question Answer
1 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
2 Copper and germanium are cooled to 70K from room temperature, then
A. Resistance of copper increases while that of germanium decreases
B. Resistance of copper decreases while that of germanium increases
C. Resistance of both decreases
D. Resistance of both increases
3 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?
A. 28
B. 7
C. 4
D. 1
4 Who explained the origin of the Fraunhoffer lines?
A. Fraunhoffer
B. Kirchhoff
C. Fresnel
D. Snell
5 An object is placed at a distance of f/2 from a convex lens. The image will be
A. At one of the foci, virtual and double its size
B. At, 3f/2, real and inverted
C. At 2f, virtual and erect
D. At f, real and inverted
6 If the earth were to rotate faster, than its present speed the weight of an object will
A. Increase at the equator but remain unchanged at the poles
B. Decrease at the equator but remain unchanged at the poles
C. Remain unchanged at the decrease but decrease at the poles
D. Remain unchanged at the equator but increase at the poles
7 Two forces are acting together on an object. The magnitude of their resultant is minimum when the angle between the force is
A. 0°
B. 60°
C. 120°
D. 180°
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 What is the average energy of N molecules of monoatomic gas?
A. 1/2 NKT
B. NKT
C. 3/2 NKT
D. 5/2 NKT
10 Which quantity is increased in step-down transformer?
A. Current
B. Voltage
C. Power
D. Frequency
11 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
12 Which one of the following phenomena is not explained by Huygen's construction of wavefront?
A. Refraction
B. Reflection
C. Diffraction
D. Origin of spectra
13 Huygen's wave theory of light cannot explain
A. Diffraction
B. Interference
C. Polarization
D. Photoelectric effect
14 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:
A. q = Q/4
B. q = Q/2
C. q = Q
D. None of these
15 A pendulum clock set to give correct time in Karachi is taken to Quetta. It would give correct time if
A. The mass of the pendulum is increased
B. The mass of the pendulum is decreased
C. The length of the pendulum is increased
D. The length of the pendulum is decreased

Test Questions

Is this page helpful?