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Doplers effect

Posted by Yamini Singh 8 years, 1 month ago

3 answers

Mahima Sharma 8 years, 1 month ago

The apparent change in frequency when the observer, the medium and the source are in relative motion is known as Doppler effect

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Akshat Sharma 8 years, 1 month ago

The phenomenon of variation of sound wave due to relative motion between the sound and the listener is called as dopler's effect.

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Manish Yadav 8 years, 1 month ago

According to dopler whenever there is a relative motion between source and lishner then the apprent frequency heard by the lishner is always different from the original frequency emmited by the source

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What is sidereal day?

Posted by Rohit Shekhar 8 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Shivani Jha? 8 years, 1 month ago

The time for one complete rotation of the earth relative to a particular star about for minutes shorter then mean solar day

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1kilo watt equals to how many joule

Posted by Arnav Singh 8 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Raj Singh 8 years, 1 month ago

3600 joules

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What is commercial unit of energy

Posted by Arnav Singh 8 years, 1 month ago

CBSE > Class 11 > Physics

2 answers

Manish Yadav 8 years, 1 month ago

Calories

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Raj Singh 8 years, 1 month ago

Kilowatt hour

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What is commercial unit of power

Posted by Arnav Singh 8 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Manish Yadav 8 years, 1 month ago

Horse power (hp) 1 hp = 746 watt.

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Momentum of a body is double. By what percent does its K. E change

Posted by Pankaj Patwal 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

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A car of mass 1500kg is moving with a speed of 12.5m/s on a circular path of radius 20m on a level road. What should be the frictional force between the car and the road so that the car does not slip? What should be the value of coefficient of friction to attain this force.

Posted by Abhishek Dubey 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

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What is carnot theorem

Posted by Jagjit Singh 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

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A body is moving in a circular motion... Is it accelerated motion or uniform motion?

Posted by Papa . 8 years, 1 month ago

CBSE > Class 11 > Physics

2 answers

Papa . 8 years, 1 month ago

Thank you very much ☺☺

1Thank You

Abhishek Dubey 8 years, 1 month ago

Uniform motion

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What is the degree of freedom in 1.Monoatomic 2.Diatomic 3.Triatomic

Posted by Ishaanpreet Singh 8 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Ankit Verma 8 years, 1 month ago

Monoatomic=3 Diatomic 5 Triatomic 6&7

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Derivation for expression of pressure

Posted by Aldrin Nonglait 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

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Parallel axis theorem derivation?

Posted by Priyansh Saini 8 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Mayank Brambhatt 8 years, 1 month ago

see in ncert part 2 ch 7

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Difference between tone and node

Posted by Kshitij Azad 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

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What is acceleration due to gravity and universal gravitational constant

Posted by Vanshita Lonsane 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

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What is stook law?

Posted by Afnan Khan 8 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Anupma Kumari 8 years, 1 month ago

Accd to Stokes law , the backward dragging force F acting on a small spherical body of radius r moving through a medium of co efficient of viscosity n(eeta) with velocity v is F=6(pi) nrv

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Solved dimensional formula and unit of coefficient of thermal conductivity

Posted by Shivani Singh Gaharwar 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

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Ncert

Posted by Navjot Kumar 8 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Himanshu Sharma 8 years, 1 month ago

It is best book

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derive an expression of total work done by a rigid body executing both translation and rotational motion

Posted by Sumit Roy 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

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What is the reason for gas thermometers which are more sensitive then mercury thermometers?

Posted by Vipul Kulshrest 8 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

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Water equivalent????

Posted by Konain Raza Ansari 8 years, 1 month ago

CBSE > Class 11 > Physics

2 answers

Anupma Kumari 8 years, 1 month ago

W=sm Where s=specific heat m=mass

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Complicated Life 8 years, 1 month ago

The product of a mass of the body by its specific heat equal numerical toh the mass of water that is equivalent in thermal capacity to the body in question

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Si unit of street

Posted by Abhishek Singh 8 years, 1 month ago

CBSE > Class 11 > Physics