Directions for: The questions consist of two statements each, printed as assertion and reason. While answering these questions you are required to choose any one of the following five responses A. If both the Assertion and the Reason are true and the Reason is a correct explanation of the Assertion. B. If both the Assertion and the Reason are true but the Reason is not a correct explanation of Assertion. C. If the Assertion is true but the Reason is false. D. If both the Assertion and the Reason are false. E. If Assertion is false but Reason is true.
Assertion: The atoms of different elements having same mass number but different atomic number are known as isobars. Reason: The sum of protons and neutrons in isobars is always different.A) A
B) B
C) C
D) D
E) E
Correct Answer: C
Solution :
Atoms of different elements having different atomic number i.e., different number of protons but same mass number i.e., same number of (p + n) are called isobars.
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