CBSE > Class 11 > Physics | CBSE Board | Homework Help

Ys=WL/A ls(1) Yr=Wl/A lr(2) On dividing (1)by(2) Ys/Yr=lr/ls {Ys=young's modulus of steel & Yr=young's modulus of rubber} {lr=length of rubber & ls=length of steel} Since lr>ls So Ys>Yr Hence, steel is more elastic than rubber.

0Thank You

Anuradha Sharma 7 years, 11 months ago

Because their young modulus is greater than rubber

1Thank You

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Why phi in shm is costant

Posted by Neha Vashishtha 7 years, 11 months ago

CBSE > Class 11 > Physics

0 answers

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What is macroscopic state variable

Posted by Mohd Asad 7 years, 11 months ago

CBSE > Class 11 > Physics

0 answers

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Good morning

Posted by Albert Einstein 7 years, 11 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Phandamental quantity dafination

Posted by Irfan Shaikh 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Nishu Bishnoi 7 years, 11 months ago

Those quantities which does not on any other quantity is called fundamental quantities.like mass ,length, time etc.

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Why newton 2nd law is real law justify

Posted by Pawan Kumar 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Subhashis Bhanjdeo 7 years, 11 months ago

Bcoz it contains the first law and third law so 2nd is real law of motion

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Arrange fundamental forces in ascending order of their strength

Posted by Joyati Chaudhary 7 years, 11 months ago

CBSE > Class 11 > Physics

2 answers

Yatin Patial 7 years, 11 months ago

Gravitational<electromagnetic<weak nuclear < strong nuclear

1Thank You

Joyati Chaudhary 7 years, 11 months ago

Vander wall force, gravitational force, electrostatic force, nuclear force

2Thank You

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What is couple what is its action

Posted by Sajid Ali 7 years, 11 months ago

CBSE > Class 11 > Physics

0 answers

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What is couple

Posted by Sajid Ali 7 years, 11 months ago

CBSE > Class 11 > Physics

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Sea breeze

Posted by Dwarika Prasad 7 years, 11 months ago

CBSE > Class 11 > Physics

0 answers

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Harmonic motion

Posted by Rishabh Pandey 7 years, 11 months ago

CBSE > Class 11 > Physics

0 answers

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What is null vector

Posted by Durgesh Yadav 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Priyam Verma 7 years, 11 months ago

It is zero vector there were no direction

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What are the all terms related to force.

Posted by Jay Upreti 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Harsh Chaudhary 7 years, 11 months ago

Force

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ANSWER

On what factors bending of a cyclist will skid.

Posted by Navneet Kaur Virk 7 years, 11 months ago

CBSE > Class 11 > Physics

0 answers

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On what principle a rocket with variable mass works. Only 1 mark questions

Posted by Navneet Kaur Virk 7 years, 11 months ago

CBSE > Class 11 > Physics

0 answers

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The resultant of two vector will be maximum of angle between them is. A) 180 degree B) 90 C) 0 degree

Posted by Navneet Kaur Virk 7 years, 11 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

The rounded off of 16.150 is A.) 16.15 B) 16.150 C) 16.2 D) 16

Posted by Navneet Kaur Virk 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Albert Einstein 7 years, 11 months ago

1Thank You

ANSWER

Give a example of physical quantity which have direction but that is scaler quantity .

Posted by Navneet Kaur Virk 7 years, 11 months ago

CBSE > Class 11 > Physics

2 answers

Abhineet Aanand 7 years, 11 months ago

Pressure and surface tension also

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Abhineet Aanand 7 years, 11 months ago

Current

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What is geometrical meaning of angular momentum

Posted by Vinay Kumar 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Bhavishya Tiwari 7 years, 11 months ago

It means the velocity of moving mass in an arc

1Thank You

ANSWER

What is mille amphere

Posted by Ashutosh Chaudhary 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Rajeev Malhotra 7 years, 11 months ago

Milli ampere is the unit of current . It is equal to 10^-3 ampere.

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ANSWER

Si unit of gravitational constant

Posted by Kiran Bimal 7 years, 11 months ago

CBSE > Class 11 > Physics

3 answers

Albert Einstein 7 years, 11 months ago

N m 2/k g 2

0Thank You

Priyam Verma 7 years, 11 months ago

Nm-2

0Thank You

Ishu Sharma 7 years, 11 months ago

Nm square per kg square

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How I am increase my interest on physics?

Posted by Faizan Usmani 7 years, 11 months ago

CBSE > Class 11 > Physics

3 answers

Abhineet Aanand 7 years, 11 months ago

Study theory and try to solve more numerical s on it

0Thank You

Ajesh Rana 7 years, 11 months ago

If your maths are good your physics are also good

0Thank You

Ishu Sharma 7 years, 11 months ago

Study well

0Thank You

ANSWER

Compare vector and scalar

Posted by Mani Maran 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Akshat Sharma 7 years, 11 months ago

Vectors are those who have direction +magnitude and scalar are those who have only magnitude.

1Thank You

ANSWER

Weite

Posted by Yovial Singh 7 years, 11 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Deduce expression for Young's modulus of material of a wire of length L redius of cross -section r loaded with a body of mass M producing an extension delta L in it

Posted by Deepanshu Thakur 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Akshat Sharma 7 years, 11 months ago

Y = F. L / A. Del L

1Thank You

ANSWER

How to solve spring block problems?

Posted by Navin Beniwal 7 years, 11 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Happy new year 2018

Posted by Albert Einstein 7 years, 11 months ago

CBSE > Class 11 > Physics

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