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Charles law

Posted by Akshat Sharma 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Shubham Kushwaha 7 years, 11 months ago

It states that , at constant pressure temperature of gas is directly proportional to its volume.

0Thank You

ANSWER

What are conservative forces? Plz tell in hindi ......

Posted by Mehak Gupta 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Avantika Kaushal 7 years, 11 months ago

Conservative force means hm koi bhi work kre jo sirf hmare initial and final distance pr depend ho hmari path pr nhi hm kisi bhi raaste se jae chahe direct y ghoom kr but finally hm apne final position pr pahunch jae

2Thank You

ANSWER

Can water be boiled without heat

Posted by Abhinav Kumar 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Ashish Singh 7 years, 11 months ago

Yes by decreasing the pressure The boiling point of water will decrease and water will boil at room temp

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ANSWER

What is so unit of momentum

Posted by Ankit Kumar 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Shivam Chaudhary 7 years, 11 months ago

Kg×m/s

2Thank You

ANSWER

How to do the written work of physics practical

Posted by Shivani Bhandari 7 years, 11 months ago

CBSE > Class 11 > Physics

2 answers

Aditi Bhati 7 years, 11 months ago

By pen

0Thank You

Albert Einstein 7 years, 11 months ago

What..?

1Thank You

ANSWER

Why moon has no atmosphere?

Posted by Ravi Ranjan Mishra 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Sumit Jatav 7 years, 11 months ago

Because escape velocity of moon is very less,

0Thank You

ANSWER

Drive elastic collision in two dimensions

Posted by Tarun Roy 7 years, 11 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

When water is dropped on a hot piece of iron it takes time to evaporate .why?

Posted by Jai Sharma 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Sadhana Maurya 7 years, 11 months ago

Because of their temperature

0Thank You

ANSWER

Sir on units and measurements chapter which questions are asked based on theory in exam

Posted by Vidyanand Yalagukar 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Aman Shakya 7 years, 11 months ago

Definition of relative,absolute, and like that

2Thank You

ANSWER

A shell is fired from gun explodes into two pieces in air how is the centre of mass of shell effect ed

Posted by Sonia Bawa 7 years, 11 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Main theorems of physics syllabus

Posted by Virender Yadav 7 years, 11 months ago

CBSE > Class 11 > Physics

2 answers

Sakshi Malik 7 years, 11 months ago

Theorem of parallel axis and theorem of perpendicular axis

0Thank You

Sushmita Mazumder 7 years, 11 months ago

I know the one which is too important i.e.Bernoulli's theorem that will come 100%

3Thank You

ANSWER

Acceleration due to gravity at a depth reduce to 25% from the value at the surface. Calculate the value of depth if radius of earth is 6400km.

Posted by Manav Mahanta 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Naman Jain 7 years, 11 months ago

As g'=g-(25/100)*g g'=(75/100)*g g'=(3/4)*g Now , g'=g(R-d)/R 3/4=(R-d)/R 3*R/4=R-d (3*R/4)-R=d d=(1/4)*R d=1600km

1Thank You

ANSWER

What is moment of inertia ?

Posted by Maneet Singh 7 years, 11 months ago

CBSE > Class 11 > Physics

3 answers

Arnav Singh 7 years, 11 months ago

I=MK^2

1Thank You

Sumit Jatav 7 years, 11 months ago

The property of body by virtue of which a body opposes the reative motion

2Thank You

Arnav Singh 7 years, 11 months ago

Moment of inertia is the product of mass and square of distance of the mass from the axis of ratation

2Thank You

ANSWER

if 1 mole of a monoatomic gas (y=5/3) is mixed with 1 mole of diatomic gas (y=7/5) what will the value of y for the mixture

Posted by Vaibhav Pratap Singh 7 years, 11 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

An aeroplane flies 400m north and 300m south and then flies 1200m upwards then the net displacement is

Posted by Swetha Swetha 7 years, 11 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Number of significant figures in 10

Posted by Harsh Verma 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Arnav Singh 7 years, 11 months ago

1Thank You

ANSWER

Is there anybody who use toppr learning app.Plz explain me the features of this app..

Posted by Ritika Thakur 7 years, 11 months ago

CBSE > Class 11 > Physics

2 answers

Aditi Bhati 7 years, 11 months ago

Hello friends ????????????

0Thank You

A Z 7 years, 11 months ago

Ritika join Brainly app. It is a very good app which provides quick and correct answer of the questions.

1Thank You

ANSWER

The threshold wavelength for emitting photon from a metal is 3.0 ×10^3 Armstrong. What would be the wavelength of radiation to produce photoelectron having twice the kinetic energy of those produced by radiation of wavelength 3×10^3/Armstrong

Posted by Vidhu Saxena 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Mohith Shakthi 7 years, 11 months ago

If u have mind fing the answers

2Thank You

ANSWER

How fishes can survive in the extreme winter when ponds and lakes are frozen????

Posted by Shagun Kaur 7 years, 11 months ago

CBSE > Class 11 > Physics

4 answers

Arnav Singh 7 years, 11 months ago

Becoz at upper part their is hard or soft layer of ice but their is water below it and tempt is also more as compared to upper layer so fish can survive there

0Thank You

Abhinav Kalaliya 7 years, 11 months ago

bcoz temperature at bottom is higher than top layer of lake and has no ice

0Thank You

Ravi Pal 7 years, 11 months ago

that time fishes live at the bottom of lakes or pond . temperature is lower in bottom than upper

1Thank You

Mohith Shakthi 7 years, 11 months ago

Because they are fish

4Thank You

ANSWER

Define capillary rise

Posted by Arnav Singh 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Osama Malik 7 years, 11 months ago

Due to tangentional force on surface of water knows as surface tension water rises in the capillary tube till it balances weight.

0Thank You

ANSWER

obtain an expression for maximum speed of a vehicle which can be achieved while taking a turn on a banked circular road.

Posted by Kiran Kotwal 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Arnav Singh 7 years, 11 months ago

V is less than or equal to √Usgr.where v is safety velocity and Us is coefficient of static friction

1Thank You

ANSWER

If the length of pendulum is increased by x%find the error in time per day.

Posted by Cbse Guide 7 years, 11 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Best book of physics for theory and numericals

Posted by Arnav Singh 7 years, 11 months ago

CBSE > Class 11 > Physics

6 answers

Neha Sagar 7 years, 11 months ago

For numericals best is NCERT and for theory SL or Pradeep

0Thank You

Kanika Kotnala 7 years, 11 months ago

Ncert is the worst book for physics... the best one is H.C verma

1Thank You

Ritika Thakur 7 years, 11 months ago

Only SL arora...get 90+ marks.

0Thank You

Osama Malik 7 years, 11 months ago

For theory NCERT is best. For numericals there is nothing better than Google

0Thank You

Aditi Bhati 7 years, 11 months ago

Prideep is good

0Thank You

A Z 7 years, 11 months ago

For theory NCERT is best and for numericals ARIHANT is a good choice.

5Thank You

ANSWER

What is the formula of work done by torque

Posted by Arslaan Panwar 7 years, 11 months ago

CBSE > Class 11 > Physics

2 answers

A Z 7 years, 11 months ago

Work done=Torque×d×mew.

1Thank You

Nikhil Yadav 7 years, 11 months ago

Torque *thita

1Thank You

ANSWER

What makes a waterproof raincoat water proof?

Posted by Ayush Agnihotri 7 years, 11 months ago

CBSE > Class 11 > Physics

4 answers

Ragavi Preethi 1 year, 9 months ago

what makes a waterproof raincoat waterproof

1Thank You

Ragavi Preethi 1 year, 9 months ago

why the tip of nib of your writing pen splitt explain

0Thank You

A Z 7 years, 11 months ago

Raincoats are coated by a Durable Water Repellant(DWR)finish that allows the coat to breathe which keeps the rain jacket dry . That's why the raincoat is waterproof.

2Thank You

Divya Sharma 7 years, 11 months ago

Tightly packed molecules

2Thank You

ANSWER

What is work done by torque

Posted by Arslaan Panwar 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Ranbir Trikha 7 years, 11 months ago

Moment of inertia * angular acceleration

0Thank You

ANSWER

What is Sinusoidal functions ?

Posted by Rishabh Jaiswal 7 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

A Z 7 years, 11 months ago

A sinusoidal function is the repetition of oscillations. It is produced by shifting, compresing or stretching the sine function.

1Thank You

ANSWER

multiple choice question

Posted by Janu Kisku 7 years, 11 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is terminal velocity and derive?

Posted by Dependra Kumar 7 years, 11 months ago

CBSE > Class 11 > Physics

4 answers

Arnav Singh 7 years, 11 months ago

Fdownward=Fupward

0Thank You

Arnav Singh 7 years, 11 months ago

The constant velocity achieved by a ball when falling through a viscous fluid is called terminal velocity.The velocity is constant because net upward force is equal to net downward force.

0Thank You

Kriti Jaiswal 7 years, 11 months ago

Look pradeep for derivation

1Thank You

Kriti Jaiswal 7 years, 11 months ago

When a substance falls in a viscous medium it acquires a constant velocity after a certain time due to force exerted by medium is called terminal velocity.

1Thank You

ANSWER

Write the expression for escape velocity.

Posted by Pragati Singh 7 years, 11 months ago

CBSE > Class 11 > Physics