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Because steel is more elastic than rubber because steel comes back to its original shape faster than rubber when the deforming forces are removed. Hope this will help u :-):-):-)

2Thank You

Vikash Sharma 7 years, 2 months ago

Because the young's modulus of steel is more than of steel

2Thank You

Dharna Saini 7 years, 2 months ago

Because youngs modulus of steal is more than rubber

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ANSWER

Dimension of strain

Posted by Raju Bhai 7 years, 2 months ago

CBSE > Class 11 > Physics

6 answers

Akanksha Kumari? 7 years, 2 months ago

Dimensionless

2Thank You

Ankit Singh ?????? 7 years, 2 months ago

Dimension less quantity

0Thank You

Tripti Shah 7 years, 2 months ago

Strain is a dimensionless quantity.

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Dharna Saini 7 years, 2 months ago

Dimensionless

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Aashi Pannu 7 years, 2 months ago

dimensionless

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Rishabh Rathi 7 years, 2 months ago

M0 L0 T0. Basically its dimensionless

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ANSWER

Which is more elastic . Rubber or steel

Posted by Asif Ansari 7 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Manjeet Yadav 7 years, 2 months ago

Steel is more elastic than rubber because steel comes back to its original shape faster than rubber when the deforming forces are removed.

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ANSWER

How do submarin work

Posted by Vaghji Chauhan 7 years, 2 months ago

CBSE > Class 11 > Physics

2 answers

Akanksha Kumari? 7 years, 2 months ago

Submarines work on principle of SONAR

1Thank You

Rishabh Rathi 7 years, 2 months ago

It uses a device called breather, which is a air passage provided by a retractable containing and exhaust pipe which permits submarine to stay submerged in water.

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ANSWER

1. Two molecules of a gas have speeds of 2x10^6 ms-1 and 3 x 10^6 ms-1 respectively. What is the root mean square speed of these molecules ? 2.Give statement of law of equipartition of energy and using it find out expression of energy of a monoatomic and diatomic gas 3. what are the properties of an ideal fluid? 4. why telephone wires are not tightly fixed between two poles? 5. What is the reason of small gap left between two rails of railway lines? 6. what are the conditions of constructive and destructive interference? 7. what are the properties of longitudinal and transverse waves? 8. Mars has mass 300 times of earth and radius 20 times of earth. calculate escape velocity from the surface of mars. ( escape velocity of earth= you should know this value ) 9. four masses each of 5kg are placed at the vertices of a square of side 2m. find the centre of mass of this system 10. a ball is thrown at an angle of 60° with horizontal hit 5km away on ground. find the velocity of t

Posted by Ekam Singh 7 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is the other name of universal law of gravitation

Posted by Panchal Sujal 7 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

You are holding a rod of mass 1 kg by pressing it with force of 12n with 2 fingers .coefficient of friction between rod and fingers is0.5 .the force of friction on rod will be

Posted by Himang Bhardwaj 7 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is value of angular speed of one revolution ?

Posted by Anshuman? Raj? 7 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Yogita Ingle 7 years, 2 months ago

Angular speed is the rate at which an object changes its angle (measured) in radians, in a given time period. Angular speed has a magnitude (a value) only.

Angular speed = (final angle) - (initial angle) / time = change in position/time

ω = θ /t

ω = angular speed in radians/sec

θ = angle in radians (2π radians = 360 degrees)

t = time, sec

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ANSWER

Find the position of a particle in SHM when it's velocity is half the velocity at its mean position

Posted by Soni Patel 7 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

what happens when we dig the earth and mass m is dropped into that tunnel it will comes out or its will at the center?give reason?

Posted by Mohit Kumar 7 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Naitik Tayal 7 years, 2 months ago

Because the particle of m mass shows Simple Harmonic Motion

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ANSWER

Distance travelled in n^th second byan object. S=u+a(2n-1)/2.....Is this dimensionally correct???

Posted by Pratham Gajapure 7 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Naitik Tayal 7 years, 2 months ago

No this is not dimensionally correct there are many examples which is exist but dimension wise these are incorrect and this is one of them

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ANSWER

Difference between velocity and average velocity

Posted by Riya Singh 7 years, 2 months ago

CBSE > Class 11 > Physics

3 answers

Shreepad Vallabh Kulkarni 7 years, 2 months ago

Velocity is exact value but average velocity is the mean of velocity traveltravelled

1Thank You

Ayushi Ayushi 7 years, 2 months ago

Velocity usually refers to calculating it instanteneously. If we say body A has a velocity v then it means it is at the moment of measuring. Average velocity is a term we use for the overall trip. It is defined as: total displacement / time taken clearly we are no longer concerned with any particular instant.

2Thank You

Akanksha Kumari? 7 years, 2 months ago

Actually velocity means instantaneous velocity i-e;velocity at an instant but average velocity means mean value of velocity

3Thank You

ANSWER

Lamis theorem

Posted by Sahibjit Singh 7 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Ayushi Ayushi 7 years, 2 months ago

Lami's theorem states that if three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two forces.

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ANSWER

By how much a rubber string of length 10m increase in length under its own weight when suspended vertically ? ( Given , Density of rubber =1.5 ×10 ki power 3kg/ mcube , Y= 5×10^8 N/ m^2 and g= 10 N/kg ).

Posted by Jasmine Jasmine 7 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Centre of mass.explain

Posted by Wangnao Wangnaolim 7 years, 2 months ago

CBSE > Class 11 > Physics

4 answers

Shreepad Vallabh Kulkarni 7 years, 2 months ago

The place where mass of the body is Concentrated

0Thank You

Vinay Gautam 7 years, 2 months ago

A point where the mass of the body is supposed to act

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Akanksha Kumari? 7 years, 2 months ago

Center of mass is a supposed position where mass of whole system is to be supposed which can lie in or out the system.

1Thank You

Rishabh Rathi 7 years, 2 months ago

It is point where (assume) mass of whole body lies .

3Thank You

ANSWER

Dimemsional formula of viscosity

Posted by Vinay Gautam 7 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Ojesh Kumar Singh Kumar Singh 7 years, 2 months ago

ML^-1T^-1

2Thank You

ANSWER

Elastic limit and yield limits are equal aren't?

Posted by Arun Kumar 7 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Pragati Gola 7 years, 2 months ago

Same

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ANSWER

What is thermal conductivity?

Posted by Vinita Panwar 7 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Madan Kumar 7 years, 2 months ago

Themal conductivity in which the heat flows to the body at higher temperature to the lower body at lower temperature is known as thermal conductivity.

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ANSWER

At what temperature will speed of sound in hydogen be the same as in oxygen qt 100°C ? Density of oxygen is 16 times as that of hydrogen.

Posted by Ayush Gupta 7 years, 2 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Oscillation is not a wave it is a motion true or false

Posted by Anupam Mehta 7 years, 2 months ago

CBSE > Class 11 > Physics

6 answers

Vinay Gautam 7 years, 2 months ago

True

0Thank You

Ankit Singh ?????? 7 years, 2 months ago

True

0Thank You

Veena Singh☺️? 7 years, 2 months ago

True

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Simran Kalra 7 years, 2 months ago

false

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Annu Sheraya 7 years, 2 months ago

False

0Thank You

Amit Yadav 7 years, 2 months ago

True

3Thank You

ANSWER

what is the speed of transverse wave in a wire when stretched by a weight of 25kg?the two meter length of the wire has a mass of 4.7kg?

Posted by Ayush Gupta 7 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Amit Yadav 7 years, 2 months ago

V=(tension /mass per unit length)power1/2 V= (250/23.5)power1/2

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ANSWER

Phase transition of ice

Posted by Gursahb Preet 7 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Annu Sheraya 7 years, 2 months ago

Ice into water is melting and ice into gas is evaporation

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ANSWER

Specific heat capacity of 1 mole of solid (calculate the value)

Posted by Mohd Abed @Afroz 7 years, 2 months ago

CBSE > Class 11 > Physics

2 answers

Akanksha Kumari? 7 years, 2 months ago

Delta Q=ms Delta T Therefore,s (specific heat capacity)= Delta Q/m Delta T

2Thank You

Annu Sheraya 7 years, 2 months ago

Mc delta t

2Thank You

ANSWER

Law of conservation of momentum

Posted by Gowtham Hari 7 years, 2 months ago

CBSE > Class 11 > Physics

3 answers

Shanaya Sharma 7 years, 2 months ago

Initial momentum =Final momentum

0Thank You

Vinay Gautam 7 years, 2 months ago

No external force than no change in position shape size etc

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Jr. Fermino 7 years, 2 months ago

If no externnal force,the total linear momentum is constant P1+p2=0 (constant)

2Thank You

ANSWER

What is significante of pascales law...???

Posted by Jitendra Singh 7 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Vinay Gautam 7 years, 2 months ago

Hydraulic lift, brakes, press are based on pascal's law

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ANSWER

Two object one is heavier have equal momentum , which will have the greater kinetic energy?

Posted by Nisha Panwar 7 years, 2 months ago

CBSE > Class 11 > Physics

4 answers

Akanksha Kumari? 7 years, 2 months ago

Lighter body will have more k.e as instead of having less mass velocity of lighter body is more than heavier body

2Thank You

Vinay Gautam 7 years, 2 months ago

Lighter

2Thank You

Pragati Gola 7 years, 2 months ago

Lighter body has more velocity(v)than heavier body so, the value of kE= 1/2mv^2 become greater for it.

4Thank You

Pragati Gola 7 years, 2 months ago

Lighter body has more kinetics energy.

1Thank You

ANSWER

What is the use of refraction in prism

Posted by Shivani Sharma 7 years, 2 months ago

CBSE > Class 11 > Physics

1 answers

Rishabh Rathi 7 years, 2 months ago

To split white light into its constituent light

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ANSWER

Why drops of water is dropped in spherical shape?

Posted by Ankit Aryan Shivan 7 years, 2 months ago

CBSE > Class 11 > Physics

4 answers

Annu Sheraya 7 years, 2 months ago

Due to 6 pie ita R t

0Thank You

Jr. Fermino 7 years, 2 months ago

Yes ,it is due to the surface tension , it is tried to minimum surface T=F/L ; F = force acting between the two surface area L= total length contact between the surfaces

0Thank You

Ankit Aryan Shivan 7 years, 2 months ago

Explain it.

1Thank You

Aniket Sharma 7 years, 2 months ago

Due to phenomenon of surface tension

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ANSWER