Given below are two statements. One is labelled as Assertion (A) … - Vidyadip

MCQ

Given below are two statements. One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : The binding energy per nucleon is found to be practically independent of the atomic number A , for nuclei with mass numbers between 30 and 170. Reason (R): Nuclear force is long range. In the light of the above statements, choose the correct answer from the options given below :

A
(A) is false but (R) is true
✓
(A) is true but (R) is false
C
Both (A) and (R) are true and (R) is the correct explanation of (A)
D
Both (A) and (R) are true but (R) is NOT the correct explanation of (A)

✓

Answer

Correct option: B.

(A) is true but (R) is false

B

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Match List$-I$ with List$-II$

List $-I$	List $-II$
$(A)$ Moment of inertia of solid sphere of radius $(R)$ about any tangent	$(I)$ $\frac{5}{3} MR ^{2}$
$(B)$ Moment of inertia of hollow sphere of radius $(R)$ about any tangent	$(II)$ $\frac{7}{5} MR ^{2}$
$(C)$ Moment of inertia of circular ring of radius $(R)$ about its diameter.	$(III)$ $\frac{1}{4} MR ^{2}$
$(D)$ Moment of inertia of circular disc of radius $(R)$ about any diameter.	$(IV)$ $\frac{1}{2} MR ^{2}$

Question: Choose the correct answer from the options given below