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

To Understand collisions there are two types of collisions first elastic collision second inelastic collisions in elastic collisions when an object is hited on the wall the object very slightly be removed from the wall but in the inelastic collisions the object Would stick to the walls

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Yash Goswami????? 6 years, 1 month ago

Fi masses ko hit krna alag alag conditions me: 1) ek ball ot ek wall (m1 very small mass and m2 large) 2) dono balls ko (m1 and m2 are equal) 3) ek 10kg ka concrete block or ek 2rupess wali plastic ball (m1 is very less than m2)

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Makhan Singh Thakur 6 years, 1 month ago

Ball ko hit karna wall se

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ANSWER

What is quantum

Posted by Ravi Ranjan 6 years, 1 month ago

CBSE > Class 11 > Physics

3 answers

Somya Mehta 6 years, 1 month ago

There are certain types of quantum numbers:- principal quantum number represented by n azimuthal Quantum numbers represented by l and magnetic Quantum numbers represented by M and spin Quantum numbers represented by S it shows the orbits shells orientation the spinning of electron

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Makhan Singh Thakur 6 years, 1 month ago

Right

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Baadshah Dhariwal 6 years, 1 month ago

In physics, a quantum (plural: quanta) is the minimum amount of any physical entity (physical property) involved in an interaction. The fundamental notion that a physical property may be "quantized" is referred to as "the hypothesis of quantization".[1] This means that the magnitude of the physical property can take on only discrete values consisting of integer multiples of one quantum. For example, a photon is a single quantum of light (or of any other form of electromagnetic radiation). Similarly, the energy of an electron bound within an atom is quantized and can exist only in certain discrete values. (Indeed, atoms and matter in general are stable because electrons can exist only at discrete energy levels within an atom.) Quantization is one of the foundations of the much broader physics of quantum mechanics. Quantization of energy and its influence on how energy and matter interact (quantum electrodynamics) is part of the fundamental framework for understanding and describing nature.

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ANSWER

What are rotational motion

Posted by Rajkumar Rocky 6 years, 1 month ago

CBSE > Class 11 > Physics

2 answers

Somya Mehta 6 years, 1 month ago

Motion in which particles revolves on its axis

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Alok Uttam 6 years, 1 month ago

when all the particles of an object moves on a circular path motion called rotational motion

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ANSWER

Dimensionally prove that T=2M.m/(M.m)

Posted by Jatin Mishra 6 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

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Happy diwali guys

Posted by Da Ya 6 years, 1 month ago

CBSE > Class 11 > Physics

2 answers

Tannu Sharma 6 years, 1 month ago

Same to u ??

2Thank You

Gaurav ??✌️ 6 years, 1 month ago

Happy diwali

1Thank You

ANSWER

Example of ncert

Posted by Sonali Yadav 6 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

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Assuming that the escape velocity for a planet depends upon gravitational constant G ,radius R of the planet and also it's density d, derive formula for escape velocity from dimensional consideration.

Posted by Deepanshu Sharma 6 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Which is largest au light year parsex

Posted by Noor Singh 6 years, 1 month ago

CBSE > Class 11 > Physics

2 answers

Tarun Kumar 6 years, 1 month ago

Parsec

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Tiyasha . 6 years, 1 month ago

Have a look on ur question first

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ANSWER

A monkey of mass m moves upwards a balloon by a distance L w.r.t. rope. We say that the total potential energy of system increases while total gravitational potential energy REMAINS SAME.Why so???

Posted by Annanya Marya 6 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Jassi Midha 6 years, 1 month ago

Which chapter??

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ANSWER

1/2 mv^2-GMm/R=-GMm/R+h

Posted by Ranit Ghosh 6 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

One end of a uniform rod of mass m and length l is clamped. The rod lies on a smooth horizontal surface and rotates on it about the clamped end at a uniform angular velocity omega. The force exerted by the clamp on the rod has a horizontal component

Posted by Aman Kumar 6 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Spring block system - conservation of mechanical energy

Posted by Deva K 6 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is the mass of jupiter solve it on the basis of chapter 8

Posted by Sourabh Yadav 6 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

A turn of radius 20m is banked for the vehicle going at a speed of 36km/h if the Coefficient of static friction between the road and the tyre is 0.4, what are the possible speed of a vehicle so that it neither slips down nor skids up?

Posted by Abdullah Rahmani 6 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Rain drops falling under gravity do not acquire very high velocity. Why?

Posted by Sukeerat Kaur 6 years, 2 months ago

CBSE > Class 11 > Physics

3 answers

Shubham Kumar 6 years, 1 month ago

I thing that the question is wrong ?

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Rohan Patel 6 years, 2 months ago

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Aka Sh 6 years, 2 months ago

Due do air resistance

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ANSWER

Prove that the path of a projectile is parabola

Posted by S Eshita 6 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Gaurav Seth 6 years, 2 months ago

Let a body is projected with speed u m/s inclined θ with horizontal line .
Then, vertical component of u, = ucosθ
Horizontal component of u , = usinθ
acceleration on horizontal, ax = 0
acceleration on vertical, ay = -g

Now, use formula ,
x =
x = ucosθ.t
t = x/ucosθ------(1)

Again, y =
y = usinθt - 1/2gt²
Put equation (1) here,
y = usinθ × x/ucosθ - 1/2g × x²/u²cos²θ
= tanθx - 1/2gx²/u²cos²θ

This equation is similar to Standard equation of parabola y = ax² + bx + c her, a, b and c are constant

So, A projectile motion is parabolic motion

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A projectile is projected at an angle of 60°with the horizontal and with a velocity of 30m/s.the velocity of the projectile at the highest point of its trajectory is

Posted by Yugratan Kumar 6 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Shubham Kumar 6 years, 2 months ago

It is zero for velocity in y direction but the velocity in x direction is present so. Which one you are talking about in y direction or x direction?

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A uniform metal bar of length 150 cm of mass 7kg is placed horizontally on 2edges pivoted at 10 cm from each edge of the rod. Two object A and B are suspanded at a distance of 20 cm and 50 cm from 1 end find the reaction at the edges

Posted by Mohd Kashif 6 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is conservation of linear momentum

Posted by Waseem Choudhary 6 years, 2 months ago

CBSE > Class 11 > Physics

2 answers

S Eshita 6 years, 2 months ago

The law of conservation of linear momentum states that if net external force acting on a system is zero then the total linear momentum of the system remains constant

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Syeda Aisha 6 years, 2 months ago

The law of conservation of linear momentum states that if no external forces act on the system of two colliding objects, then the vector sum of the linear momentum of each body remains constant and is not affected by their mutual interaction.

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ANSWER

A cyclist is riding with a speed of

Posted by Afia Naushad 6 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Derive the third equation of uniformly accelerated motion by calculus method

Posted by Sunil Thakur 6 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is direction of force

Posted by Vishnu Shakya 6 years, 2 months ago

CBSE > Class 11 > Physics

2 answers

Sia ? 6 years, 2 months ago

The force applied in that direction and directly proportional to the mass and acceleration.

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Somya Mehta 6 years, 1 month ago

The direction of the force is determine by the force acting on the object in that direction that the force is directly proportional to the mass and acceleration

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ANSWER

what is a tension force

Posted by Akhtar Khan 6 years, 2 months ago

CBSE > Class 11 > Physics

3 answers

Shubham Kumar 6 years, 2 months ago

It is the force which acts on a rope,chain etc. When a mass is attached to it . ..it is acts always away from the object ..??

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Sourabh Yadav 6 years, 2 months ago

The force which act on the rope when any object attatched to the rope

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Harsh Godala 6 years, 2 months ago

It is a responsive force develops in thread,string in response to some force/weight/load. • Tension acts in the opposite direction of the applied force.

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ANSWER

Relationship between BHP and Nm?

Posted by Pranshu Baghel 6 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Notes on surface tention

Posted by Omkar Singh 6 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Yogita Ingle 6 years, 2 months ago

Surface Tension

Surface tension is the property of the liquid surface which arises due to the fact that surface molecules have extra energy.
Surface energy is the extra energy which the molecules at the surface have.
Surface tension is the property of the liquid surface because the molecules have extra energy.
Surface energy is defined as surface energy per unit area of the liquid surface.
Denoted by ’S’.

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ANSWER

State conservation of momentum and write its derivation

Posted by Vanshaj Singh 6 years, 2 months ago

CBSE > Class 11 > Physics