MPSC PYQ

MPSC Rajyaseva 2013 GS Paper 1 — Question 52

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खालील वाक्ये लक्षात घ्या. (a) कणाची वेधनशक्ती (सामर्थ्य) ही त्याच्या वस्तुमानाच्या व्यस्त प्रमाणात असते. (b) अल्फा कणाची वेधनशक्ती (सामर्थ्य) ही बीटा कण्याच्या वेधन शक्ती (सामर्थ्य) पेक्षा कमी आहे. खालीलपैकी कोणते विधान वरील वाक्यांची परिस्थिती योग्य रीत्या दाखवते? Consider the following statements : (a) Penetrating power of a particle is inversely proportional to its mass. (b) Penetrating power of α(alpha) particle is less than that of β(Beta) particle. Which one of the following gives a correct picture about the above statements ?

1)दोनही वाक्ये बरोबर आहेत आणि पहिले वाक्य दुसऱ्या वाक्येचे स्पष्टीकरण आहे. / Both the statements are true and statement one is an explanation of the statement two.✓ Correct
2)दोनही वाक्ये बरोबर आहेत आणि दुमरे वाक्य पहिल्या वाक्येचे स्पष्टीकरण आहे. / Both the statements are true and statement two is an explanation of statement one.
3)पहिले वाक्य बरोबर व दुसरे वाक्य चूक आहे. / Statement one is true and two is false.
4)दुसरे वाक्य बरोबर व पहिले वाक्य चूक आहे. / Statement two is true and one is false.

Penetrating power is inversely proportional to mass (heavier particles interact more and lose energy faster). Since alpha particles are much heavier than beta particles, their penetrating power is less than that of beta particles.

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