CBSE Class 10 Physics Exam Oriented MCQs
CBSE Class 10 Physics – Exam Oriented MCQs
Class: 10 | Subject: Science (Physics)
Section: Exam Oriented
Topic: CBSE Class 10 Physics Exam Oriented MCQs
Based on Latest CBSE Board Examination Pattern
Section: Exam Oriented
Topic: CBSE Class 10 Physics Exam Oriented MCQs
Based on Latest CBSE Board Examination Pattern
These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 10 Science Board Examinations.
1. SI unit of electric current is:
Answer: C
Electric current is the rate of flow of charge. Its SI unit is Ampere (A).
Electric current is the rate of flow of charge. Its SI unit is Ampere (A).
2. Ohm’s Law states V ∝ I when:
Answer: C
Ohm’s law holds true only when physical conditions like temperature remain constant.
Ohm’s law holds true only when physical conditions like temperature remain constant.
3. Unit of resistance:
Answer: C
Resistance opposes current flow and is measured in Ohms (Ω).
Resistance opposes current flow and is measured in Ohms (Ω).
4. Power of an electric device is given by:
Answer: B
Electric power = Voltage × Current.
Electric power = Voltage × Current.
5. Focal length of concave mirror is:
Answer: B
By sign convention, concave mirror focal length is negative.
By sign convention, concave mirror focal length is negative.
6. Lens used to correct myopia:
Answer: B
Concave lens diverges light, helping focus image on retina.
Concave lens diverges light, helping focus image on retina.
7. Speed of light in vacuum:
Answer: A
It is the maximum speed possible in nature.
It is the maximum speed possible in nature.
8. Magnetic field lines never:
Answer: A
Intersection would mean two directions at one point, impossible physically.
Intersection would mean two directions at one point, impossible physically.
9. Fleming’s Left Hand Rule gives:
Answer: B
It determines force on a current-carrying conductor in magnetic field.
It determines force on a current-carrying conductor in magnetic field.
10. Electric energy unit used commercially:
Answer: C
1 kWh = 1 unit of electricity.
1 kWh = 1 unit of electricity.
11. Image in plane mirror:
Virtual and erect.
12. Convex lens is:
Converging lens.
13. Resistance increases with:
Length of conductor.
14. Heating effect depends on:
I²Rt (Joule’s law).
15. Device converting electric to mechanical energy:
Electric motor.
16. Generator works on:
Electromagnetic induction.
17. Split ring used in:
DC motor.
18. Unit of focal length:
Metre.
19. Prism splits light due to:
Dispersion.
20. Household circuit voltage in India:
220 V.