ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED
ANSWERS LATEST 2026 ALREADY
GRADED A+
Q5. Work done when force and displacement are
perpendicular is:
A. Maximum
B. Zero
C. Negative
D. Infinite
Answer: ✅ B. Zero
Explanation: W = Fd cos90° = 0
Q6. A body of mass 5 kg has kinetic energy 100 J.
Find velocity.
Answer & Explanation:
KE = ½mv²
100 = ½×5×v² = 2.5v²
v² = 40 → v ≈ 6.32 m/s
Q7. A ball falls freely. Its acceleration is:
A. Increasing
B. Constant
,C. Decreasing
D. Zero
Answer: ✅ B. Constant
Explanation: Acceleration due to gravity (g) is
constant.
Q8. Momentum depends on:
A. Mass only
B. Velocity only
C. Both mass and velocity
D. None
Answer: ✅ C. Both mass and velocity
Explanation: Momentum p = mv
Q9. Unit of work is:
A. Watt
B. Joule
C. Newton
D. Pascal
Answer: ✅ B. Joule
Q10. If velocity doubles, kinetic energy becomes:
A. Same
B. Double
C. Four times
D. Half
Answer: ✅ C. Four times
Explanation: KE ∝ v²
, SECTION B: ELECTRICITY & MAGNETISM
Q11. Ohm’s law states:
A. V = IR
B. V = I²R
C. V = R/I
D. None
Answer: ✅ A. V = IR
Q12. Unit of resistance is:
A. Ampere
B. Volt
C. Ohm
D. Coulomb
Answer: ✅ C. Ohm
Q13. Magnetic field around a straight conductor
depends on:
A. Current
B. Distance
C. Both
D. None
Answer: ✅ C. Both
Q14. Power formula is:
A. P = VI
B. P = IR