These essential MCQ questions are selected from the most important topics in ICSE Class 10 Physics Board Examination 2026. Sections include Force and Pressure, Work and Energy, Light, Sound, Electricity and Heat as per the ICSE syllabus. For truely unlimited daily MCQ practice, visit Vooo AI Education.
🔋 ICSE Class 10 Physics
1The SI unit of force is:
Answer: C — Newton
The SI unit of force is the Newton (N), named after Sir Isaac Newton. 1 Newton is the force required to accelerate a mass of 1 kg at 1 m/s². Newton's Second Law: F = ma (Force = mass × acceleration).
The SI unit of force is the Newton (N), named after Sir Isaac Newton. 1 Newton is the force required to accelerate a mass of 1 kg at 1 m/s². Newton's Second Law: F = ma (Force = mass × acceleration).
2Work done is zero when force and displacement are:
Answer: C — Perpendicular
Work done W = F × d × cos θ. When θ = 90° (force perpendicular to displacement), cos 90° = 0, so W = 0. Example: a coolie carrying a load on his head while walking horizontally does no work against gravity.
Work done W = F × d × cos θ. When θ = 90° (force perpendicular to displacement), cos 90° = 0, so W = 0. Example: a coolie carrying a load on his head while walking horizontally does no work against gravity.
3Which lens is used to correct myopia?
Answer: B — Concave lens
Myopia (short-sightedness) is corrected using a concave (diverging) lens. In myopia, the image forms in front of the retina. A concave lens diverges the light rays so the image falls exactly on the retina. Hypermetropia is corrected by a convex lens.
Myopia (short-sightedness) is corrected using a concave (diverging) lens. In myopia, the image forms in front of the retina. A concave lens diverges the light rays so the image falls exactly on the retina. Hypermetropia is corrected by a convex lens.
4The pitch of a sound depends on its:
Answer: B — Frequency
Pitch is the perceptual quality of sound that determines how high or low it sounds. Pitch depends on frequency — higher frequency gives higher pitch. Loudness depends on amplitude. Timbre (quality) distinguishes different instruments at the same pitch.
Pitch is the perceptual quality of sound that determines how high or low it sounds. Pitch depends on frequency — higher frequency gives higher pitch. Loudness depends on amplitude. Timbre (quality) distinguishes different instruments at the same pitch.
5Ohm's Law states that V is proportional to:
Answer: B — Current
Ohm's Law: V = IR (Voltage = Current × Resistance). At constant temperature and physical conditions, voltage (V) is directly proportional to current (I) for a conductor. The ratio V/I = R (resistance) remains constant for an ohmic conductor.
Ohm's Law: V = IR (Voltage = Current × Resistance). At constant temperature and physical conditions, voltage (V) is directly proportional to current (I) for a conductor. The ratio V/I = R (resistance) remains constant for an ohmic conductor.
6The principle of moments states that for equilibrium:
Answer: A — Clockwise moments equal anticlockwise moments
The Principle of Moments (Law of Moments) states that for a body in equilibrium, the sum of clockwise moments about any point equals the sum of anticlockwise moments about the same point. This is used in lever problems and beam balances.
The Principle of Moments (Law of Moments) states that for a body in equilibrium, the sum of clockwise moments about any point equals the sum of anticlockwise moments about the same point. This is used in lever problems and beam balances.
7Which type of mirror forms only virtual images?
Answer: D — Both convex and plane
Convex mirrors always form virtual, erect and diminished images regardless of object position. Plane mirrors always form virtual, erect and same-sized images. Concave mirrors can form both real and virtual images depending on the object's position relative to the focal point.
Convex mirrors always form virtual, erect and diminished images regardless of object position. Plane mirrors always form virtual, erect and same-sized images. Concave mirrors can form both real and virtual images depending on the object's position relative to the focal point.
8The specific heat capacity of water is:
Answer: B — 4.2 J/g°C
The specific heat capacity of water is 4.2 J/g°C (or 4200 J/kg°C). This means 4.2 joules of heat are required to raise the temperature of 1 gram of water by 1°C. Water's high specific heat makes it an excellent coolant and moderates Earth's climate.
The specific heat capacity of water is 4.2 J/g°C (or 4200 J/kg°C). This means 4.2 joules of heat are required to raise the temperature of 1 gram of water by 1°C. Water's high specific heat makes it an excellent coolant and moderates Earth's climate.
9In a series circuit, the current through each component is:
Answer: B — Same
In a series circuit, the same current flows through all components because there is only one path for current to flow. However, the voltage is distributed across components. In a parallel circuit, the voltage is the same but current divides.
In a series circuit, the same current flows through all components because there is only one path for current to flow. However, the voltage is distributed across components. In a parallel circuit, the voltage is the same but current divides.
10The energy stored in a stretched spring is:
Answer: C — Elastic potential energy
A stretched or compressed spring stores elastic potential energy. When released, this converts to kinetic energy. Elastic potential energy = ½kx², where k is the spring constant and x is the extension or compression. This is Hooke's Law application.
A stretched or compressed spring stores elastic potential energy. When released, this converts to kinetic energy. Elastic potential energy = ½kx², where k is the spring constant and x is the extension or compression. This is Hooke's Law application.
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