CBSE 12 Physics Question Paper-2016 Set-2 by Pavan | Practice Test to Test Your Knowledge
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Engineering Courses
Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Certifications
Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

  2. Practice Tests
  3. CBSE 12 Physics Question Paper-2016 Set-2
CBSE 12 Physics Question Paper-2016 Set-2

CBSE 12 Physics Question Paper-2016 Set-2

This mock test includes actual CBSE Class 12 Physics board exam questions from the year 2016 set-2, helping students understand exam trends and practice real paper format

2025-08-03
Pavan Pavan
CBSE Class 12 Physics 2016 Grade 12

Duration

30 min

Questions

30

Marking

Negative

You've not yet enrolled in this practice test. Please login to start practice test.

Questions Preview

Write the underlying principle of a moving coil galvanometer.

A
It works on the principle of electromagnetic induction.
B
It works on the interaction of magnetic field with current-carrying coil.
C
It works based on resonance of coils.
D
It uses the principle of conservation of energy.

Why are microwaves considered suitable for radar systems used in aircraft navigation?

A
They can penetrate clouds and fog easily.
B
They have long wavelengths.
C
They require very low power.
D
They are reflected only by metal surfaces.

What is the phase difference between electric and magnetic fields in an electromagnetic wave?

A
π
B
π/2
C
Zero
D
2π

State the condition under which a current-carrying wire does not experience a magnetic force.

A
When current is perpendicular to magnetic field.
B
When current is parallel to magnetic field.
C
When wire is in vacuum.
D
When wire is not grounded.

What is the SI unit of electric flux?

A
Volt
B
Coulomb
C
Newton meter square per Coulomb
D
Farad

What happens to the width of depletion region in a PN junction when reverse bias is applied?

A
It decreases
B
It increases
C
Remains the same
D
Becomes zero

Which type of diode is used for regulating voltage?

A
P-N junction diode
B
Zener diode
C
Light Emitting Diode
D
Photodiode

Name the electromagnetic wave used for satellite communication.

A
Infrared rays
B
Microwaves
C
Ultraviolet rays
D
X-rays

Which part of the electromagnetic spectrum is used in remote sensing?

A
Gamma rays
B
Microwaves
C
X-rays
D
Visible light

A capacitor is charged by a battery. After some time the battery is removed. What happens to the charge on the capacitor plates?

A
Charge becomes zero
B
Charge reduces gradually
C
Charge remains the same
D
Charge becomes double

How does a photodiode respond to increasing light intensity?

A
It decreases current flow
B
It increases current flow
C
It produces sound
D
It stops conducting

What is the net charge on a capacitor in steady state when connected to DC?

A
Zero
B
Infinite
C
Q = CV
D
Q = 1/2 CV²

What happens when a charged particle moves perpendicular to a uniform magnetic field?

A
It moves in a straight line
B
It comes to rest
C
It moves in a circular path
D
It oscillates

State the relation between current and drift velocity.

A
I = neAv_d
B
I = v_d/A
C
I = e/nAv_d
D
I = Av_d/n

Which material is used for the core of a transformer and why?

A
Copper, for conductivity
B
Aluminum, for lightness
C
Soft iron, for high permeability
D
Glass, for insulation

Which of the following is NOT a property of electromagnetic waves?

A
They are transverse in nature
B
They do not require medium for propagation
C
They carry energy and momentum
D
They are deflected by electric fields

What type of wavefront is associated with a point source of light?

A
Plane wavefront
B
Cylindrical wavefront
C
Spherical wavefront
D
Rectangular wavefront

What is the shape of equipotential surfaces for a point charge?

A
Cylinders
B
Planes
C
Concentric spheres
D
Parabolas

Which law gives the force between two current-carrying conductors?

A
Coulomb’s law
B
Ampere’s law
C
Lorentz force law
D
Biot-Savart law

Why is AC preferred over DC for long-distance transmission?

A
DC is cheaper
B
AC cannot be stepped up or down
C
AC can be easily transformed using transformers
D
AC is less dangerous

Which physical quantity is conserved in an ideal transformer?

A
Power
B
Current
C
Voltage
D
Energy only in primary coil

Which radiation has the maximum penetrating power?

A
Alpha rays
B
Beta rays
C
Gamma rays
D
Ultraviolet rays

Which phenomenon confirms the particle nature of electromagnetic radiation?

A
Polarization
B
Diffraction
C
Photoelectric effect
D
Interference

What is the function of a step-down transformer?

A
To increase voltage
B
To decrease current
C
To increase power
D
To decrease voltage

Which law states that the induced EMF is proportional to the rate of change of magnetic flux?

A
Faraday’s law
B
Lenz’s law
C
Ohm’s law
D
Kirchhoff’s law

What is the function of a rectifier?

A
Converts DC to AC
B
Converts AC to DC
C
Filters electrical signals
D
Amplifies voltage

Which instrument is used to measure potential difference?

A
Ammeter
B
Galvanometer
C
Voltmeter
D
Potentiometer

Which device is used to convert solar energy into electrical energy?

A
LED
B
Photovoltaic cell
C
Zener diode
D
Transformer

What is the value of the speed of light in a vacuum?

A
3 × 10⁶ m/s
B
3 × 10⁸ m/s
C
3 × 10⁵ m/s
D
3 × 10⁷ m/s

Which of the following is used to increase the efficiency of a transformer?

A
Thick copper wires
B
Air core
C
Laminated iron core
D
Glass insulation