A circular disc of copper has a symmetri...

A circular disc of copper has a symmetrical hole at its centre .The disc is uniformly heated .The diameter of the hole will

increase

decrease

remain the some

None of these

Text Solution

Verified by Experts

The correct Answer is:

Similar Questions

Explore conceptually related problems

A metal disc has a hole in it. When the disc is heated, the size of the hole _________

On the flat surface of a disc of radius a a small circular hole of radius b is made with its centre at a distance c from the centre of the disc. If mass of the whole un cut disc is M, calculate the moment of inertia of the holed disc about the axis of the circular hole. [(1)/(2)[a^(2) + 2c^(2)- (b^(4))/(a^(2))]]

A circular disc of radius b has a hole of radius a at its centre (see figure). If the mass per unit area of the disc varies as ((sigma_(0))/(r)) . then the radius of gyration of the disc about its axis passing through the centre is:

From a uniform circular disc of diameter D, a circular disc or hole of diameter D//6 and having its centre at a distance of D//4 from the centre of the disc is scopped out. Determine the centre of mass of the remaining portion.

From a uniform circular disc of diameter d,a circular disc of diameter d//6 and having centre at a distance d//4 from the centre of the disc is scooped out. Determine the centre of mass of remaining portion.

Recommended Questions

A circular disc of copper has a symmetrical hole at its centre .The di...
Text Solution
|
चिकनी मिटटी के कणो का व्यास होता है -
Text Solution
|
ताँबे के एक तार की अनुप्रस्थ काट का क्षेत्रफल 1 xx 10^(-7) "मी"^(2...
Text Solution
|
बायो-सैवर्ट के नियम की सहायता से किसी वृत्ताकार धारावाही कुण्डली के के...
Text Solution
|
बायो-सैवर्ट के नियम के आधार पर किसी वृत्ताकार धारावाही लूप के केन्द्र ...
Text Solution
|
किसी वृत्ताकार धारावाही लूप के केन्द्र पर उत्पन्न चुम्बकीय क्षेत्र का ...
Text Solution
|
एक वृत्तीय धारा लूप का चुम्बकीय द्विध्रुव M है। यदि धरा लूप की त्रिज्...
Text Solution
|
20 सेमी त्रिज्या के एक वृत्ताकार लूप में 10 ऐम्पियर की धारा बह रही है।...
Text Solution
|
2.0 मीटर लम्बी परिनालिका में 1000 फेरे है। इसमें 10 ऐम्पियर के धारा प्...
Text Solution
|