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Application of viscosity?

Posted by Dinesh Kumar 6 years, 1 month ago

CBSE > Class 11 > Physics

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what is use of projectile

Posted by Raj Rajpoot 6 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Nikhil Gupta 6 years, 1 month ago

For throwing any object from any vertical or horizontal distance

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What is the meaning of Kesquare divided by Gmrsquare

Posted by Santosh Dubey 6 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

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The blood pressure in humans is greater at the feet than at the brai?

Posted by Muskan Gupta 6 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Aditya Chauhan 6 years, 1 month ago

Yaa its true as The height of the blood column is more at the feet than it is at the brain. Hence, the blood pressure at the feet is more than it is at the brain

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What is frequency? Plz clear the concept

Posted by Khushi Tiwari 6 years, 1 month ago

CBSE > Class 11 > Physics

3 answers

Soumyadeep Paul 6 years, 1 month ago

In Physics, the number of oscillations per second is known as Frequency. Its SI Unit is Hertz(Hz), i.e., second to the power -1, i.e., second inverse or Hz.

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Farhat Shaikh Shaikh 6 years, 1 month ago

The number of events occurs in a given period of time is termed as if its frequency its SI unit is heartz

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Ankur Choudhary 6 years, 1 month ago

Frequency is like as moving a wave

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Why the sign convention in thermodynamics different from chemistry to physics

Posted by Mayanglambam Anjali 6 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Ankur Choudhary 6 years, 1 month ago

There are different different uses in physics chemistry & physical education.

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how banking of road can be sloved?

Posted by Priya Singh 6 years, 1 month ago

CBSE > Class 11 > Physics

2 answers

Prince Prajapati 6 years, 1 month ago

Look it in physics pradeep

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Prince Prajapati 6 years, 1 month ago

With pen paper & mind

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Explain 3 newton law from calculas method

Posted by Deep Royal 6 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Anu Negi 6 years, 1 month ago

First law of newton a=dv/dt adt=dv Differenciating both side a[t]^t1-t2=[v]^v-u a[t-0]=[v-u] at=v-u V=u+at Second law of newton v=dx/dt. [v=u+at] u+at=dx/dt udt+atdt=dx Differenciating both side u[t]^t-0+a[t^2]^t-0=[x]^x-0 u[t-0]+a[t^2-0/2]=[x-0] ut+1/2at^2=x. Wherex=displacement x=ut+1/2at^2

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Estimate the average thermal energy of a helium atom at room temperature,the temperature on the surface of sun, the temperature of ten million kelvin

Posted by Mayank Sankhla 6 years, 1 month ago

CBSE > Class 11 > Physics

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13.7

Posted by Mayank Sankhla 6 years, 1 month ago

CBSE > Class 11 > Physics

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How igeta final year paper 2016-17 with answers

Posted by Devendra Pari 6 years, 1 month ago

CBSE > Class 11 > Physics

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On an average the human heart is found to beat 75 times in minute . Calculate its frequency

Posted by Nischith Gowda 6 years, 1 month ago

CBSE > Class 11 > Physics

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Speed of sound in air is 332 metre per second at zero degree celsius at what temperature will be the speed become one half of that at 0 degree Celsius.

Posted by Ayush Verma 6 years, 1 month ago

CBSE > Class 11 > Physics

0 answers

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What is projectile motion??

Posted by S ? George ☺☺ 6 years, 1 month ago

CBSE > Class 11 > Physics

3 answers

S ? George ☺☺ 6 years, 1 month ago

tanxx prince.

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Prince Prajapati 6 years, 1 month ago

Hope it is helpful

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Prince Prajapati 6 years, 1 month ago

Projectile motion is a form of motion experienced by an object or particle your that is projected near the Earth's surface and moves along a curved path under the action of gravity only. This curved path was shown by Galileo to be a parabola.

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Types of the waves

Posted by Nisha Yadav 6 years, 1 month ago

CBSE > Class 11 > Physics

2 answers

Prabhnoor Singh 6 years, 1 month ago

Two types of waves are there mechanical and non mechanical waves

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Gitika Sharma 7E ? 6 years, 1 month ago

There are 2 types of waves... 1. Transverse waves 2. Longitudinal waves

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Important questions for ipe

Posted by Rathod Saikumar 6 years, 1 month ago

CBSE > Class 11 > Physics

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Law of equipartition of energy

Posted by Avi Rajak 6 years, 1 month ago

CBSE > Class 11 > Physics

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What is a shm

Posted by Sabiya Firoz 6 years, 1 month ago

CBSE > Class 11 > Physics

4 answers

Prabhnoor Singh 6 years, 1 month ago

Shm is the simplest to and fro motion in which force is directly proportional to the -x

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Aayushi Attri 6 years, 1 month ago

Simple Harmonic motion...

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Utkarsh Patel 6 years, 1 month ago

Simple Harmonic motion is also known in short form SHM.

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Kajal Kajal 6 years, 1 month ago

simple harmonic motion

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How can I learn physics

Posted by Shubham Garg 6 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Kajal Kajal 6 years, 1 month ago

physics learn ni ki jaati....smjhi jaati ha..phle saari derivations likh k practice kre...aur baad me ncert ques parlo

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Difference between beats and interference

Posted by Jayesh Tiwari 6 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Yogita Ingle 6 years, 1 month ago

Interference pattern is produced when two waves of same frequency travelling in same direction superimpose, while beats are formed when frequencies are slightly different.

In interference, the position of maximum and minimum are permanent i.e., intensity at a given point does not change with time, but in beats the intensity of wave changes at given point with time.

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Why surface tension occurs only in fluids?

Posted by Somya Jain 6 years, 1 month ago

CBSE > Class 11 > Physics

2 answers

Soumyadeep Paul 6 years, 1 month ago

Because in Solids, the particles (or molecules) are tightly fixed at their own plzce, due to which no movement occurs in them, and as a result, no attraction from bulk particles, and hence, no Surface tension in solids. But in case of Liquids and Gases(Fluids), the constituent particles are in motion, due to which an attraction from bulk particles give rise to Surface tension in Fluids.

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Yogita Ingle 6 years, 1 month ago

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.

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Explain Newton's third law of motion

Posted by Prince Prajapati 6 years, 1 month ago

CBSE > Class 11 > Physics

5 answers

Prince Prajapati 6 years, 1 month ago

Okk thanx

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S ? George ☺☺ 6 years, 1 month ago

is tiz okk

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S ? George ☺☺ 6 years, 1 month ago

To every action there is always an equal and opposite reaction.

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Tasaum Tasaum 6 years, 1 month ago

All action has equal and opposite reaction.

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Prince Prajapati 6 years, 1 month ago

Answer soon

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I need detailed sol. of numerical on pg no. 346 ex 14.3 2nd part

Posted by Mun R.Husain 6 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Deepak Manhas 6 years, 1 month ago

(a) sin wt- cos wt = sin wt - sin(pi/2 - wt) = 2 cos(pi/4) sin(wt - pi/4) = root) 2sin(wt - pi/4)

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Derivation and formula of doppler effect....

Posted by Ritika Verma 6 years, 1 month ago

CBSE > Class 11 > Physics

2 answers

Ritika Verma 6 years, 1 month ago

Yess

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Somya Jain 6 years, 1 month ago

Need for all cases?

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From Chapter thermodynamic Q. Find the process C = Cv+R

Posted by Prakrati Aggarwal 6 years, 1 month ago

CBSE > Class 11 > Physics

2 answers

Anu Negi 6 years, 1 month ago

Cp=Cv+R (Cp=[dq/dt]p),(Cv=[dq/dt]v) So using first law of thermodynamics dq=du+dw Dividing both side by dt dq/dt=du/dt+dw/dt. dq=mL,dw=pdv at constant volume [dq/dt]v=[du/dt]v+[dw/dt]v [dq/dt]v=[du/dt]v+[pdv/dt]v Take constant term outside the bracket [dq/dt]v=[du/dt]v+p[dv/dt]v Cv=[du/dt]v+0 Cv=du/dt....................... 1 At constant pressure [dq/dt]p=[du/dt]p+[dw/dt]p Cp=[du/dt]p+[pdv/dt]p........................2 From ideal gas equation Pv=nRt n=1 for 1mole Pv=Rt At constant p R=pdv/dt Putting this value pdv/dt in eq 2 Cp=Cv+R R=Cp-Cv. Mayer's formula

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Prakrati Aggarwal 6 years, 1 month ago

Plz reply

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Integration of dx/x

Posted by Aåkãsh Jàraūt 6 years, 1 month ago

CBSE > Class 11 > Physics

4 answers

Tasaum Tasaum 6 years, 1 month ago

Int. of dx/x=x^-1+1/-1+1=0

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Beast Boy 6 years, 1 month ago

Lnx or 1/x

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Somya Jain 6 years, 1 month ago

lnx

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Sagar Verma 6 years, 1 month ago

Logx

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Kelvin scale

Posted by Jitendra Khapandi 6 years, 1 month ago

CBSE > Class 11 > Physics

1 answers

Yogita Ingle 6 years, 1 month ago

The temperature scales of celsius and fahrenheit are not absolute scales. By absolute we mean that they start at some reference point (freezing point of water). Hence, they are considered random scales. So, we associate a degree symbol with random scales. Similar is done with angles. On the other hand, kelvin scale is the absolute scale of temperature. It has a perfect origin. There is no temperature below the zero kelvin temperature. Hence, there is no degree symbol associated with it.

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Please list the practicals for session 2019-2020

Posted by Shoumic Saxena 6 years, 1 month ago

CBSE > Class 11 > Physics