Assertion A - A body of mass -m- collides another body of mass nm- at rest- The energy transferred to the second body is 4nn-12Reason R - The above collision is a perfectly inelastic collision

The correct option is C A is true but R is falseFraction =4m_1m_2(m_1+m_2)^2 #160; #160; #160; #160; #160; #160; #160; #160; #160; #1 ...

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Byju's Answer

Standard XII

Physics

Momentum, K.E. Relation

Assertion A :...

Question

Assertion (A) : A body of mass 'm' collides another body of mass nm' at rest. The energy transferred to the second body is $\frac{4 n}{(n + 1)^{2}}$
Reason (R) : The above collision is a perfectly inelastic collision

Both Assertion (A) and Reason (R) are correct and R is the correct explanation

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Both Assertion (A) and Reason (R) are correct but the reason does not give the correct explanation

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A is true but R is false

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A is false but R is true

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Solution

The correct option is C A is true but R is false
Fraction $= \frac{4 m_{1} m_{2}}{(m_{1} + m_{2})^{2}}$

$= \frac{4 n}{(n + 1)^{2}}$ which is for elastic collision

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Similar questions

(a) Both Assertion (A) and Reason (R) are true and Reason (A) and Reason (R). For selecting the correct answer, use the following code :

(b) Both Assertion (A) and Reason (R) are true but Reason (R) is not a correct explanation of Assertion (A).

(d) Assertion (A) is false and Reason (R) is true.

$\begin{matrix} Assertion (A) & Reason (R) \sqrt{3} i s a n i r r a t i o n a l n u m b e r . & T h e s u m o f a r a t i o n a l n u m b e r a n d a n i r r a t i o n a l n u m b e r i s a n i r r a t i o n a l n u m b e r . \end{matrix} The correct answer is: (a)/(b)/(c)/(d).$

This question consists of two statements, namely, Assertion (A) and Reason (R). For selecting the correct answer, use the following code:

(a) Both Assertion (A) and Reason (R) are true and Reason (R) correct explanation of Assertion (A).

(b) Both Assertion (A) and Reason (R) are true but Reason (R) is not a correct explanation of Assertion (A).

(d) Assertion (A) is false and Reason (R) is true.

Q. Assertion (A)

\sqrt{8}

is an irrational number.
Reason (R)
If m is a natural number which is not a perfect square, then

\sqrt{m}

is irrational.

(a) Both Assertion (A) and Reason (R) are true and Reason (R) is a correct explanation of Assertion (A).
(b) Both Assertion (A) and Reason (R) are true but Reason (R) is not correct explanation of Assertion (A).
(c) Assertion (A) is true and Reason (R) is false.
(d) Assertion (A) is false and Reason (R) is true.

Q. Assertion (A)

\frac{1242}{49}

is a non-terminating, repeating decimal.
Reason (R)
The rational number

\frac{p}{q}

is a terminating decimal if q = (2m × 5n) for some whole numbers m and n.

(a) Both Assertion (A) and Reason (R) are true and Reason (R) is a correct explanation of Assertion (A).
(b) Both Assertion (A) and Reason (R) are true but Reason (R) is not a correct explanation of Assertion (A).
(c) Assertion (A) is true and Reason (R) is false.
(d) Assertion (A) is false and Reason (R) is true.

Q. Assertion (A)
The polynomial p(x) = x³ + x has one real zero.

Reason (R)
A polynomial of nth degree has at most n zeros.

(a) Both Assertion (A) and Reason (R) are true and Reason (R) is a correct explanation of Assertion (A).
(b) Both assertion (A) and Reason (R) are true but Reason (R) is not a correct explanation of Assertion (A).
(c) Assertion (A) is true and Reason (R) is false.
(d) Assertion (A) is false and Reason (R) is true.

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Assertion (A) : A body of mass 'm' collides another body of mass nm' at rest. The energy transferred to the second body is 4n(n+1)2Reason (R) : The above collision is a perfectly inelastic collision

The correct option is C A is true but R is falseFraction =4m1m2(m1+m2)2 =4n(n+1)2 which is for elastic collision

Assertion (A) : A body of mass 'm' collides another body of mass nm' at rest. The energy transferred to the second body is $\frac{4 n}{(n + 1)^{2}}$
Reason (R) : The above collision is a perfectly inelastic collision

The correct option is C A is true but R is false
Fraction $= \frac{4 m_{1} m_{2}}{(m_{1} + m_{2})^{2}}$

$= \frac{4 n}{(n + 1)^{2}}$ which is for elastic collision