किस कोण पर बल आघूर्ण अधिकतम का आधा और स्थितिज ऊर्जा धनात्मक होगी?

At which angle is torque half of maximum torque and potential energy positive?

Explanation opens after your attempt
Correct Answer

C. एक सौ पचास अंश / One hundred fifty degrees

Step 1

Concept

Half maximum torque means sine of angle is one half.

Step 2

Why this answer is correct

Possible angles are thirty and one hundred fifty degrees.

Step 3

Exam Tip

Positive energy requires negative cosine so one hundred fifty degrees is correct. चरण 1: बल आघूर्ण आधा होने का अर्थ ज्या कोण एक बटा दो है। चरण 2: इसके लिए तीस और एक सौ पचास अंश संभव हैं। चरण 3: धनात्मक ऊर्जा के लिए कोज्या ऋणात्मक चाहिए इसलिए एक सौ पचास अंश सही है।

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