Home: Physics MCQs

**Q.** If and then A**·**b=?

(A) –7

(B) 7

(C) –11

(D) 11

The answer is: (C) –11 ☑

**Q.** When a force is applied to an object, it undergoes a displacement of . What is the work done?

(A) 26 joule

(B) 28 joule

(C) 30 joule

(D) 32 joule

The answer is: (D) 32 joule ☑

**Q.** The tuning of a radio or TV receiver is usually done by varying the _____ of the circuit.

(A) inductance

(B) capacitance

(C) resistance

(D) voltage

The answer is: (B) capacitance ☑

**Q.** Which from the following radiations has the highest penetrating power?

(A) Alpha rays

(B) Beta rays

(C) Gamma rays

(D) None of these

The answer is: (C) Gamma rays ☑

**Q.** The SI unit of force is

(A) Newton

(B) joule

(C) watt

(D) farad

The answer is: (A) Newton ☑

**Physics MCQs**

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