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

Energy required for movement or *Energy* used for *Movement* is known as Kinetic Energy. Ex:- We take a container and keep some Marbles in it when we burn that container we see the movements of marbles.Now by this experiment we can say that the marbles have some Kinetic Energy.

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Heemanshu Pandey 2 years, 1 month ago

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Convert 1erg of work into joule using dimension...

Posted by Aditi Kukreti 2 years, 1 month ago

CBSE > Class 11 > Physics

3 answers

Rahul Sharma 2 years, 1 month ago

Kinetic theory gases

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Madhuri Chahar 2 years, 1 month ago

1erg =10^-7

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Suhana Samkaria 2 years, 1 month ago

Erg is CGS of energy So use dimensional form. of Energy and N2=n1(m1/m2)â.....

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A bomb explodes into three fragments of mass are in the ratio 1:1:3 two equal mass are fly of at right angle with velocity 30 m/s. Calculate the velocity of largest mass

Posted by Aditi Jainth 2 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Ayush Kumar Chouksey 2 years, 1 month ago

-10i-10j

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Is anyone having up board English medium syllabus of class 11 ??

Posted by Kalash Gaming 2 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Jaspreet Singh 2 years, 1 month ago

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In an experiment of common balance mass of a ring found to be 2.52g,2.53g,2.51g,2.49g,2.54g. calculate the percentage error

Posted by Sweety Theresa Prakash 1 year, 10 months ago

CBSE > Class 11 > Physics

1 answers

Preeti Dabral 1 year, 10 months ago

The mean value of the mass of the ring. M_mean = 2.52+2.53+2.51+2.49+2.545=2.52g.

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What is Newton's first law

Posted by Sakshi Singh 2 years, 2 months ago

CBSE > Class 11 > Physics

3 answers

Madhuri Chahar 2 years, 1 month ago

According to this law if the body in rest with remains at rest and the body in motion will remains in motion until and unless as external force act on it

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Aditi Kukreti 2 years, 1 month ago

Newton first law of motion = Law of inertia.. In simple words

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Karina Rajput 2 years, 1 month ago

it defined as that for any motion of an object is it uniform or non-uniform external force is required

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What is mole

Posted by Mohit Kansal 2 years, 2 months ago

CBSE > Class 11 > Physics

4 answers

Madhuri Chahar 2 years, 1 month ago

It is a standard unit of measurement of a substance such as atoms, molecule, partical, ion by avogadro's law it states that at standard, tempreture and pressure the substance has 6.022×10^23 atom, molecule and particle Stp =298k = tempreture 1bar = pressure

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Heemanshu Pandey 2 years, 1 month ago

Mole is an amount of substance. One mole= 6.022×10^23molecules or atoms Ex:- 12mole of Carbon=6.022×10^23×12 atom of Carbon.

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Suhana Samkaria 2 years, 1 month ago

=6.022×10²³

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Mohit Kansal 2 years, 2 months ago

Value of one mole

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You are given a thread and a metre scale how will you estimate the diameter of the thread

Posted by Durai Raj 1 year, 10 months ago

CBSE > Class 11 > Physics

1 answers

Preeti Dabral 1 year, 10 months ago

The diameter of a thread is so small that it cannot be measured using a metre scale. We wind a number of turns of the thread on the meter scale so that the turns are closely touching one another.
Measure the length ({tex}l{/tex}) of the winding on the scale which contains n number of turns. The diameter of thread = {tex}\frac{l}{n}{/tex}

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Victor

Posted by Rishi Sharma 2 years, 2 months ago

CBSE > Class 11 > Physics

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A body covers a distance in a time. For the first half it's speed was 60km per hour and for the second half it's speed was 40km per hour. Find it's average speed?

Posted by Pari Mavi 2 years, 2 months ago

CBSE > Class 11 > Physics

2 answers

Jay Mishra 2 years ago

48km/hr

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Nikhat Haidari 2 years, 2 months ago

V avg =v1+v2/n(no. Of time)when same =60+40/2km/hr =100/2km/hr =50km/hr

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value base

Posted by Dhruv Patel 2 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Rahul Bishnoi 2 years, 2 months ago

5 marks

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A particle moves on a circular path of radius r, It complete 1 revolution in 40 s. Calculate distance and displacement in 2 min 20 sec.

Posted by D Eva 2 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Kritgya Yerpude 2 years, 2 months ago

Fhhn

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A body covers 10metre in 4th seconds and 15 metre in 6 second of its uniformly accelerate motion. how far will it travel in the next 4 seconds?

Posted by Aanchal Kashyap 2 years, 2 months ago

CBSE > Class 11 > Physics

3 answers

Suhana Samkaria 2 years, 1 month ago

Am i right?

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Suhana Samkaria 2 years, 1 month ago

10m=4s 15m=6sec This means it travels 5m in 2 sec.it will travel 50 m in 10 sec. Then in next 4sec , it will travel 70 m.

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Aanchal Kashyap 2 years, 2 months ago

Anyone give me the solution of this question

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Find the dimension of q/b in the equation, F=a√x+bt^2 , where F is Force, x is distance and T is time

Posted by Prabhanshu Shrivastava 2 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Nikhat Haidari 2 years, 2 months ago

A/c to principal of homogenity- F=a√L =)MLT^-2=a√L =)a=MLT^-2÷L^1/2 =)a=MLT^-2×L^-1/2 a=ML^1/2T^-2 F=bt^2=a√x MLT^-2=bT^2 =)b=MLT^-2÷T^2 =)b=MLT^-4 ANS-:a/b=ML^1/2T^-2÷MLT^-4 =L^-1/2T^2

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Find the value of (10²) -³ ?

Posted by Biswanath Dixit 2 years, 2 months ago

CBSE > Class 11 > Physics