Practice focused topic-wise MCQs with answers and explanations for quick revision and exam preparation.
Difficulty select karke sirf is topic ke focused MCQs practice karein. Score, timer aur explanations student-friendly flow me milenge.
Showing 101-110 of 600 questions.
What is \(180^\circ\) in radians?
B. \( \pi \) रेडियन\( \pi \) radians
\(180^\circ=\pi\) रेडियन होता है। परीक्षा में \(180^\circ\) को आधार मानकर बदलें। / \(180^\circ=\pi\) radians. In exams use \(180^\circ\) as the base conversion.
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Convert \(90^\circ\) into radians.
D. \( \frac{\pi}{2} \) रेडियन\( \frac{\pi}{2} \) radians
\(90^\circ\) आधा \(180^\circ\) है इसलिए मान \( \frac{\pi}{2} \) है। पहले कोण को \(180^\circ\) से भाग दें। / \(90^\circ\) is half of \(180^\circ\) so it is \( \frac{\pi}{2} \). Divide the degree measure by \(180^\circ\) first.
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Which option gives \(45^\circ\) in radians?
C. \( \frac{\pi}{4} \) रेडियन\( \frac{\pi}{4} \) radians
\(45^\circ=\frac{45\pi}{180}=\frac{\pi}{4}\) होता है। \(45^\circ\) को मानक कोण की तरह याद रखें। / \(45^\circ=\frac{45\pi}{180}=\frac{\pi}{4}\). Remember \(45^\circ\) as a standard angle.
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What will be the radian measure of \(30^\circ\)?
D. \( \frac{\pi}{6} \) रेडियन\( \frac{\pi}{6} \) radians
\(30^\circ=\frac{30\pi}{180}=\frac{\pi}{6}\) है। डिग्री से रेडियन में \( \frac{\pi}{180} \) से गुणा करें। / \(30^\circ=\frac{30\pi}{180}=\frac{\pi}{6}\). Multiply degrees by \( \frac{\pi}{180} \) to convert to radians.
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What is \( \pi \) radians in degrees?
B. \(180^\circ\)
\( \pi \) रेडियन का मान \(180^\circ\) होता है। रेडियन से डिग्री में \( \frac{180^\circ}{\pi} \) से गुणा करें। / \( \pi \) radians equals \(180^\circ\). Multiply by \( \frac{180^\circ}{\pi} \) to convert radians to degrees.
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What is the degree measure of \( \frac{\pi}{3} \) radians?
C. \(60^\circ\)
\( \frac{\pi}{3} \) रेडियन \(60^\circ\) के बराबर है। मानक कोणों की जोड़ी याद रखें। / \( \frac{\pi}{3} \) radians equals \(60^\circ\). Memorize standard angle pairs.
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Convert \( \frac{\pi}{6} \) radians into degrees.
B. \(30^\circ\)
\( \frac{\pi}{6}\times \frac{180^\circ}{\pi}=30^\circ\) है। रेडियन से डिग्री में हमेशा \( \frac{180^\circ}{\pi} \) लगाएं। / \( \frac{\pi}{6}\times \frac{180^\circ}{\pi}=30^\circ\). For radians to degrees always use \( \frac{180^\circ}{\pi} \).
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How many degrees are \( \frac{\pi}{4} \) radians?
D. \(45^\circ\)
\( \frac{\pi}{4} \) रेडियन \(45^\circ\) होता है। \( \pi \) रेडियन को \(180^\circ\) मानकर अनुपात बनाएं। / \( \frac{\pi}{4} \) radians is \(45^\circ\). Use \( \pi \) radians as \(180^\circ\) and form a ratio.
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In which direction is a positive angle usually measured?
A. वामावर्त दिशाAnticlockwise direction
धनात्मक कोण वामावर्त दिशा में मापा जाता है। संकेत वाले प्रश्नों में दिशा जरूर देखें। / A positive angle is measured in the anticlockwise direction. In sign-based questions always check the direction.
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In which direction is a negative angle usually measured?
C. दक्षिणावर्त दिशाClockwise direction
ऋणात्मक कोण दक्षिणावर्त दिशा में मापा जाता है। कोण का चिह्न दिशा बताता है। / A negative angle is measured in the clockwise direction. The sign of an angle tells its direction.
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