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Write down the dimensional formula for power

Posted by Gjbg Hgfh 7 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Priyanka Singh Rai Rai 7 years, 9 months ago

Ml^2T^-3

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. A pan filled with hot food cools from 94°C to 86°C in 2 minutes when the room temperature is at 20°C. How long will it take to cool from 71°C to 69°C?

Posted by Vivek Kumar 7 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Aastha Sarswat 7 years, 9 months ago

0.76 sec... Is it correct

ANSWER

Show that for small oscillations the motion of a pendulum is simple harmonic

Posted by Shikha Gupta 7 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

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How planets round in universe

Posted by Naresh Mali 7 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Priyanka Singh Rai Rai 7 years, 9 months ago

Because of attraction which is present in universe

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Relation between surface tension and surface energy

Posted by Anshul Bhardwaj 7 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

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I got 31 marks out of 70 in physics sa1 exam and in final exam how much should i score to get pass in physics

Posted by Pooja Yadav 7 years, 9 months ago

CBSE > Class 11 > Physics

3 answers

Pooja Yadav 7 years, 9 months ago

Tell me mr. Aditya raj singh

Pooja Yadav 7 years, 9 months ago

Passing marks are 23.1 out of 70 than why 33

Aditya Raj Singh 7 years, 9 months ago

You require 33 mark in physics

ANSWER

What is black body

Posted by Moni Babal 7 years, 9 months ago

CBSE > Class 11 > Physics

2 answers

Unknown Student 7 years, 9 months ago

A black body is a perfect absorber and emitter of light.

Priyanka Singh Rai Rai 7 years, 9 months ago

It emits light

ANSWER

What is SI unit of Gravitational constant

Posted by Vikal Kumar 7 years, 9 months ago

CBSE > Class 11 > Physics

3 answers

A P 7 years, 9 months ago

N M^2 Kg^-2

A P 7 years, 9 months ago

N M^2 Kg^-2

Priyanka Singh Rai Rai 7 years, 9 months ago

Newton

ANSWER

name any two dimension both are same

Posted by Adil Abbas 7 years, 9 months ago

CBSE > Class 11 > Physics

3 answers

Komal Bhamu 7 years, 9 months ago

Pressure and stress

Unknown Student 7 years, 9 months ago

Work and energy

Me Souhardee❤️ 7 years, 9 months ago

Impulse and momentum r ri8 ans.

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The error in measurement of mass and volume of an object are3% and 5% respectively. What is maximum possible error in

Posted by Harshad Pal 7 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

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Sample paper ques

Posted by Alisha Kha 7 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

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What will the apparent frequency,when source moves away from the listener and the listener moves towards the source.

Posted by Shubham Kushwaha 7 years, 9 months ago

CBSE > Class 11 > Physics

2 answers

Talha Sarfraz 7 years, 9 months ago

*listener

Talha Sarfraz 7 years, 9 months ago

In this apparent frequency will be Frequency (apparent)=(velocity of sound+velocity of listner/velocity of sound -velocity of source)×frequency

ANSWER

the potential energy fraction fof a particle executing simple harmonic motion is given by v(x) =kx^2/2 where k is force constant of the oscillator for k= 0.5 n /m the graphy is as shown. Show that a particle of total energy moving underthe PE must turn back when it reaches x= +2 metre

Posted by Dinesh M 7 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Variations in g and g'

Posted by Prashant Sharma 7 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

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a body tied to one end of a string is made to revolve in a vertical circle drive the expression for the velocity of the body and tension in the string at any point. Hence find tension 1. at the bottom and top of the circle 2. minimum velocity at the lowest point so that it is just able to loop 3. the minimum velocity at the top

Posted by Aman Gupta 7 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

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which is the imp topic in physics

Posted by Happy Gusain 7 years, 9 months ago

CBSE > Class 11 > Physics

2 answers

Happy Gusain 7 years, 9 months ago

but most imp

Mayank Lakhina 7 years, 9 months ago

all topics are important

3Thank You

ANSWER

Interference of waves

Posted by Shubham Mehra 7 years, 9 months ago

CBSE > Class 11 > Physics

3 answers

Shubham Kushwaha 7 years, 9 months ago

The phenomenon that occurs when the two waves meet while travelling along the same medium.

Talha Sarfraz 7 years, 9 months ago

It means two waves are combined together

Shubham Mehra 7 years, 9 months ago

Anyone answer plzzz

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two astronauts tail on surface of the moon as thay doearth?why

Posted by Yuvraj Meena 7 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

A×B=B×A find the angle between vectors A and B

Posted by Mayank Banidhia 7 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What do you mean by young modulus

Posted by Physics Sample Paper 7 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Prachi Panchal 7 years, 9 months ago

It is the ratio of normal stress and longitudinal strain

ANSWER

What is Keppler law

Posted by Arman Khan 7 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Kepplers law of period

Posted by Rohit Maurya 7 years, 9 months ago

CBSE > Class 11 > Physics

2 answers

Arman Khan 7 years, 9 months ago

The law of ellipse,

5Thank You

Arman Khan 7 years, 9 months ago

Dhj

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What is effect of reversing the sense of revolution on the centripetal force

Posted by Aravin Takshan 7 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Calculate the fall in temperature of helium initially at 15 degree celsius, when it is suddenly expanded to 8 times its original volume(gama=5/3).

Posted by Dhruv Bansal 7 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

If the temperature of the source is 21°C and temperature of the sin k 27°C.find the efficiency of the heat engine?

Posted by Ranjeet Kumar 7 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

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What is free falling body

Posted by Nadhu Panwar 7 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Priyanka Singh Rai Rai 7 years, 9 months ago

It means only gravitational force applied on body

ANSWER

The displacement of a object x=3t^2+4t+120then find its velocity at time 1 sec

Posted by Ashish Panwar 7 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Talha Sarfraz 7 years, 9 months ago

Velocity= dx/dy V=6t+t+0 Given t=1 Putting it in equation V=6+1 V=7m/s

3Thank You

ANSWER

Mean free path??

Posted by Punit Jangid 7 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Talha Sarfraz 7 years, 9 months ago

It is the average distance covered by a molecule between two successive collision