10th Class Physics MCQs Pdf Cha 11 To 18

Physics is a fundamental subject that lays the groundwork for understanding the natural world around us. For students of class 10, mastering Physics not only builds a strong foundation but also prepares them for future academic pursuits. To aid in this journey, here’s a comprehensive guide to MCQs (Multiple Choice Questions) covering chapters 11 to 18 of the 10th class Physics textbook. These MCQs include exercises from the textbook, additional questions, and ones derived from past board papers, ensuring thorough preparation for examinations.

10th Class Physics MCQs with Answers

Chapter 11: Sound

Which property of sound determines its pitch?
A) Amplitude
B) Frequency
C) Wavelength
D) Velocity
The frequency of ultrasound waves is:
A) Greater than 20,000 Hz
B) Less than 20 Hz
C) Between 1,000 Hz and 20,000 Hz
D) Exactly 20,000 Hz

Chapter 12: Current Electricity

Ohm’s law relates which of the following quantities?
A) V = IR
B) P = IV
C) R = VI
D) I = VR
In a series circuit, the total resistance is:
A) Equal to the sum of all resistances
B) Equal to the reciprocal of the sum of all resistances
C) Equal to the product of all resistances
D) Equal to the difference between all resistances

Chapter 13: Electro-magnetism

The magnetic field inside a current-carrying solenoid is:
A) Uniform
B) Zero
C) Maximum at the ends
D) Minimum at the ends
Fleming’s left-hand rule is used to determine the:
A) Direction of current
B) Direction of magnetic field
C) Direction of motion in a motor
D) Direction of induced current

Chapter 14: Electromagnetic Induction

Faraday’s law of electromagnetic induction relates:
A) Magnetic field and current
B) Voltage and current
C) Magnetic field and voltage
D) Magnetic field and resistance
The device used to convert mechanical energy into electrical energy is:
A) Dynamo
B) Motor
C) Transformer
D) Battery

Chapter 15: Alternating Current

The frequency of alternating current in India is:
A) 60 Hz
B) 50 Hz
C) 40 Hz
D) 100 Hz
In an AC circuit, the voltage:
A) Changes direction periodically
B) Remains constant
C) Increases linearly
D) Decreases exponentially

Chapter 16: Reflection of Light

The angle of incidence is equal to the angle of:
A) Reflection
B) Refraction
C) Diffraction
D) Absorption
A convex mirror always forms an image that is:
A) Real and inverted
B) Virtual and inverted
C) Real and erect
D) Virtual and erect

Chapter 17: Refraction of Light

The bending of light as it passes from one medium to another is called:
A) Reflection
B) Diffraction
C) Refraction
D) Dispersion
The speed of light is maximum in:
A) Vacuum
B) Water
C) Glass
D) Air

Chapter 18: Dispersion of Light

When white light passes through a prism, it separates into colors due to:
A) Refraction
B) Reflection
C) Diffraction
D) Dispersion
The color of light deviated the least by a prism is:
A) Red
B) Violet
C) Yellow
D) Blue