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

Relation cp- cv =R, pulling is easy,thermal expansion,dooplers effect, torque=dl/dt, capillary action,bernaulli theorem ,excess pressure inside bubble,carnots engine,escape velocity modes of vibration in closed organ pipe , angle of repose, relative velocity and it's expression . according to me maximum example Will come out of it

1Thank You

Srishty Jaiswal 6 years ago

In which school do you study

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Jin logo ka physics ka exams ho gya unke paper m numericals jada the ya derivations

Posted by Tainya Kumari 6 years ago

CBSE > Class 11 > Physics

6 answers

Ekta Guleria 6 years ago

Derivations

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Çrazy Gamer 6 years ago

Numericals

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Aparna Mehra 6 years ago

Tum konse school main ho

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Aparna Mehra 6 years ago

Dono equal From opgm chandausi

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Pratik Soni 6 years ago

Mujhe bhee yahi pta krna tha??

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Pratik Soni 6 years ago

Ptaa nii

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What are the characteristics of SHM

Posted by Muskandeep Kaur 6 years ago

CBSE > Class 11 > Physics

2 answers

Tainya Kumari 6 years ago

a directly proportional to -y²

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Anish Physics 6 years ago

Periodic motion as well oscillatory

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While asking on show why skier wear skies accept shoes

Posted by Shivansh Trivedi 6 years ago

CBSE > Class 11 > Physics

0 answers

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A flask contains argon and chlorine gases in the ratio of 2:1 by mass. The temperature of mixture is 27°C. What is tha ratio of average K.E per molecule of two gases?

Posted by Bharti Dhillon 6 years ago

CBSE > Class 11 > Physics

0 answers

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Hello guys When starts yur Exam ?

Posted by Da Ya 6 years ago

CBSE > Class 11 > Physics

5 answers

Ekta Guleria 6 years ago

Kal

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Muskandeep Kaur 6 years ago

Wednesday is mah physics exam !!!! :'(

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Shubhendra Singh ? 6 years ago

Monday

3Thank You

Ekta Guleria 6 years ago

3rd exam

2Thank You

Robinpreet Kaur 6 years ago

My exams are complete

2Thank You

ANSWER

What is relative velocity.give expression of it

Posted by Ekta Guleria 6 years ago

CBSE > Class 11 > Physics

1 answers

Sarthak Agarwal 6 years ago

Vab= va-vb

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Drive and expression for work done in an aduabatic process

Posted by Ankul Chaudhary 6 years ago

CBSE > Class 11 > Physics

1 answers

Kirti Jiwtani 6 years ago

Internal energy= work done

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Discuss newton's formula for velocity of sound in air . Point out the error and hence discuss laplace's corrections

Posted by Vanshika Sharma 6 years ago

CBSE > Class 11 > Physics

1 answers

Yogita Ingle 6 years ago

According to Newton the change in pressure & volume in air is an isothermal process.
Therefore he calculated,v =√(p/p) on substituting the require value he found, the velocity of sound was not in close agreement with the observation value. Then Laplace pointed out the error in Newton’s formula. According to Laplace the change in pressure and volume is an adiabatic process. So he calculated the value of sound as, v =√(yr/p) on putting require value he found velocity of sound as 332m/s very closed to observed theory.

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Angle between vector and its negative vector is

Posted by Khushreet Aulakh 6 years ago

CBSE > Class 11 > Physics

1 answers

Sarthak Agarwal 6 years ago

180

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Hooke's law is obeyed within (A)limit of proportionality (B)Elastic limit

Posted by Khushreet Aulakh 6 years ago

CBSE > Class 11 > Physics

2 answers

Ujjwal Kumar 6 years ago

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Sarthak Agarwal 6 years ago

B elastic limit

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Bending of a cyclist

Posted by Kapil Rawat 6 years ago

CBSE > Class 11 > Physics

0 answers

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Velocity of vehicle on a road bend road and level road

Posted by Kapil Rawat 6 years ago

CBSE > Class 11 > Physics

0 answers

ANSWER

If AM of two no a and b is equal to their GM then? a and b

Posted by Kritika Gorai? 6 years ago

CBSE > Class 11 > Physics

2 answers

Ekta Guleria 6 years ago

a=b

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Tamanna Sharma 6 years ago

a= b

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Why speed is scalar quantity

Posted by Gumansingh Singh 6 years ago

CBSE > Class 11 > Physics

4 answers

Ekta Guleria 6 years ago

Speed only shows magnitude not direction

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Tanvi Sharma 6 years ago

Because it is distance divided by time both are scalar therefore it is also scalar

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Priyanka Priya 6 years ago

Because it doesn't need direction of motion.

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Tamanna Sharma 6 years ago

As magnitude matters not directed means no direction

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Bernaullis equation

Posted by Kunal Patel 6 years ago

CBSE > Class 11 > Physics

1 answers

Ekta Guleria 6 years ago

P/density+1/2×v square+gh=constant

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What is zero work?

Posted by Anurag Kumar 6 years ago

CBSE > Class 11 > Physics

2 answers

Ekta Guleria 6 years ago

W=f.s . So when sin 0° then work is zero

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Tamanna Sharma 6 years ago

Either force is 0 or displacement is 0 or resultant is 0

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Weightage of numericlas on cbse class 12 boards

Posted by Ananta Kumari 6 years ago

CBSE > Class 11 > Physics

1 answers

Ekta Guleria 6 years ago

Don't know

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Under what condition scalar product is zero

Posted by Ekta Guleria 6 years ago

CBSE > Class 11 > Physics

1 answers

Tamanna Sharma 6 years ago

As cos○ is zero ( perpendicular)

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Gravitational force is due to which

Posted by Dimpal Agrawal 12B 6 years ago

CBSE > Class 11 > Physics

1 answers

Tamanna Sharma 6 years ago

Force of Attraction between 2 masses

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A spherical marble moving at 9m/s strikes an identical stationary marble so that after collision both the marble make an angle 30° with the line of motion of first marble. Find their final velocity and also find K.E. before collision and after collision.

Posted by Mr. Satym 6 years ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is doppler effect???

Posted by Himanshu Kumar Dubey 6 years ago

CBSE > Class 11 > Physics

2 answers

Priyanka Priya 6 years ago

It is an increase in the frequency of the sound,light or other waves as the source and observer moves towards each other.the effect cause the sudden change in pitch noticeable in a passing Siren, as well as the red shift seen astronomers.

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Ekta Guleria 6 years ago

When ever there is relative motion between source, observer, medium then the frequency of the waves received by observer is always different from frequency of waves emitted by source

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A 50kg of boy stands 1m away from a girl of 45kg.Calculate the force of attraction between them.Explain which will stronger force of feeling or gravitation

Posted by Poornima Rathoure 6 years ago

CBSE > Class 11 > Physics