Recent questions and answers in Class XI Physics

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A wave pulse on a string has the dimensions shown in figure. The wave speed is v=1cm/s.

answered Feb 11, 2020 in Class XI Physics by vijay053 Pro (122 points)

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1 answer

Why the body on a frictionless plane moves down?

answered Jan 18, 2020 in Class XI Physics by Abhinav dutta Mature (272 points)

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Molecules in air in the atmosphere are attracted by gravitational force of the earth. Explain why all of them do not fall into the earth just like an apple falling from a tree.

answered Jan 18, 2020 in Class XI Physics by Abhinav dutta Mature (272 points)

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How is the gravitational force between two point masses affected when they are dipped in water keeping the separation between them the same?

answered Jan 18, 2020 in Class XI Physics by Abhinav dutta Mature (272 points)

+1 vote

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gravitational force is:

answered Jan 18, 2020 in Class XI Physics by Abhinav dutta Mature (272 points)

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Why the body on a frictionless plane moves down?

asked Oct 25, 2019 in Class XI Physics by Munu Basic (26 points)

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When a disc rotates with uniform, angular velocity, which of the following is not true ?

answered Oct 22, 2019 in Class XI Physics by Kriah0718 Basic (24 points)

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1 answer

What are the steps for solving the problems when more than two coplanar forces are acting on a rigid body.

answered Oct 20, 2019 in Class XI Physics by megha00 Expert (28.4k points)

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1 answer

What are the basic difference between components and resolved parts?

answered Oct 20, 2019 in Class XI Physics by megha00 Expert (28.4k points)

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when a man jumps out of a boat is pushed away.why?

asked Sep 23, 2019 in Class XI Physics by yadavji Basic (45 points)

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calculate the angle 114 min ' in radius

asked Sep 23, 2019 in Class XI Physics by yadavji Basic (45 points)

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which of the following is not the unit of energy

asked Sep 23, 2019 in Class XI Physics by yadavji Basic (45 points)

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when velocity is doubled , the banking angle should be:

asked Sep 23, 2019 in Class XI Physics by yadavji Basic (45 points)

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maximum hieght of a projectile is 400m. what will be the velocity of projectile:

asked Sep 23, 2019 in Class XI Physics by yadavji Basic (45 points)

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which graph pertain touniform acceleration

asked Sep 23, 2019 in Class XI Physics by yadavji Basic (45 points)

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a boll is dropeed from higher 'n'. the velocity attained by ball just before reaching the ground :

asked Sep 23, 2019 in Class XI Physics by yadavji Basic (45 points)

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What is reductionism

asked Sep 19, 2019 in Class XI Physics by Khushii queen Basic (23 points)

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The formula to solve critical angle?

asked Sep 14, 2019 in Class XI Physics by SLEEPY Basic (23 points)

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2 answers

A particle is projected in air at some angle to the horizontal, moves along parabola as shown in figure where x and y indicate horizontal and vertical directions, respectively.

answered Sep 5, 2019 in Class XI Physics by DeEpAk95261 Basic (24 points)

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car can move in any direction but trajectory of ball will be same no?

asked Sep 2, 2019 in Class XI Physics by ghosalsohom2003 Basic (23 points)

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