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Calculate the terminal velocity with which an air bubble of diameter 0.8 mm will rise in a liquid of viscosity10.5 poise and specific gravity 0.9.

Posted by Bhavesh - 8 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

what do you mean entropy

Posted by Shubham Sharma 8 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Anshul Sharma 8 years, 2 months ago

Degree of randomness or freedom

3Thank You

ANSWER

125 small drops of water recombine to form single large drop.What will be change in surface energy and by how much?

Posted by Mehak Sharma 8 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Prince Khan 8 years, 2 months ago

Easy

0Thank You

ANSWER

Why there are difference both physics and chemistry that work done on the system or by the system?

Posted by Punit Kumar 8 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Prince Khan 8 years, 2 months ago

?????

2Thank You

ANSWER

A body is projected downwards at an angle of 30° to the horizontal with a velocity of 9.8m/s from the top of a tower 29.4 m high .how long will it take before striking the ground?

Posted by Narender Saini 8 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Why synthetic rubber is preferred for making tires than the natural rubber

Posted by Anmol Anmol 8 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Ishan Shukla 8 years, 2 months ago

Natural rubber wears down faster. Synthetic rubber has more chemicals to make it last longer and have extra fraction

1Thank You

ANSWER

How stars twinkle but planets does not why?

Posted by Kiran Fartyal 8 years, 2 months ago

CBSE > Class 11 > Physics

2 answers

Rishabh Jaiswal 8 years, 2 months ago

Stars twinkle because of of Refraction of light . But this law doesn't follow for planet since we can't see planet.

1Thank You

Kunal Sharma 8 years, 2 months ago

Because planets dont hage their own light but the stars have their ownl light.

1Thank You

ANSWER

What os the value of propotnality constant in kalepar's third law of planetry motion t^2 directly proptional to r^3

Posted by Himanshu Mishra 8 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Prince Khan 8 years, 2 months ago

2nd h ye to

0Thank You

ANSWER

A particle execute SHM of time period 8 second .after what time of its passing through the mean position will the energy be half of kinematic and half of potential.

Posted by Shruti Bansal 8 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

State the principal of reversibility of light

Posted by Tejas Ukey 8 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

How to solve riverboat problems

Posted by Sakshi Jha 8 years, 2 months ago

CBSE > Class 11 > Physics

2 answers

Prince Khan 8 years, 2 months ago

Easy yr

0Thank You

Himanshu Mishra 8 years, 2 months ago

By going near a river picking up a boat and start anylizing it.. :D;)

0Thank You

ANSWER

Why we called newton 2nd law is real law

Posted by Pawan Kumar 8 years, 2 months ago

CBSE > Class 11 > Physics

3 answers

Prince Khan 8 years, 2 months ago

Because f=ma mass cannot be zero So, acc =zero So we can say 2nd law is a real law

0Thank You

Bhushan Saini 8 years, 2 months ago

Because by this law we can prove both 1st and 3rd law of newton

0Thank You

Nishant Sharma 8 years, 2 months ago

Bcoz we can derive first n second law from it

1Thank You

ANSWER

A sphere of mass 2kg and radius 5cm is rotating at the rate of 300 revolutions per minute. Calculate the torque required to stop it in 6.28 revolutions. [Moment of intertia of sphere about diameter is 2/5 (mass) (radius)^2]

Posted by Tisha Arora 8 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Water rise in a capillary tube ,where as mercury falls in the same tube .why?

Posted by Jyotsana Sahu 8 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Jai Sharma 8 years, 2 months ago

Because adhesive force is Greater in case of water but in case of mercury cohessive force is greater

1Thank You

ANSWER

What is surface tension area

Posted by Shubham Kumar 8 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Write down the following liquids in the order of increase ing surface tension at a given temperature water,marcury and soap solutions

Posted by Jyotsana Sahu 8 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Derive the three equations of motion by calculus method

Posted by Dishant Kumar 8 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Which is better institution for IIT

Posted by Ranjo Asique 8 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Priyanka S 8 years, 2 months ago

ALLEN Kota

0Thank You

ANSWER

Air is filled in a bottle and it is corked at 35 degree celsius .If the Cork can come out and 3 atmospheric pressure, then upto what temperature should the bottle be heated in order to remove the cork

Posted by Pankaj Maurya 8 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Is b.tech a good option after 12th??

Posted by Kanika Kotnala 8 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Why Mr. Newton give only three three laws of motion? This question is very important for me. Plzz reply as soon as possible.

Posted by Agnish Goswami 8 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Define acqualisation law?

Posted by Albert Einstein 8 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Yog Agrawal 8 years, 2 months ago

Nahi pata....??

5Thank You

ANSWER

Executing

Posted by Priya Prajapat 8 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is executing

Posted by Priya Prajapat 8 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

A uniform rod of length l is spinning with an angular velocity

Posted by Omkar Nath Singh 8 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

I want all important topics from the NCERT book

Posted by Bhumika Tiwari 8 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

what is coeficient of restitution?

Posted by Arun Kumar 8 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Resultant vector

Posted by Mehak Rajput 8 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is entropy?

Posted by Swayam Prabha 8 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Zukini G 8 years, 2 months ago

Randomness

0Thank You

ANSWER

what is ideal gas equation

Posted by Hafiz Ashraf 8 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Pranshu Krishan 8 years, 2 months ago

PV=nRT

1Thank You

ANSWER

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