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Swati 1 day ago in  CBSE/Class 11/Science/Physics

A faulty thermometer reads 5 °C in melting ice and 99 °C in steam. Find the correct temperature in °F; when this faulty thermometer reads 52 °C.

0 0

Atul replied | 3 hrs ago

122 °F


Shivani 10 hrs ago in  CBSE/Class 11/Science/Physics

An ideal gas after going through a series of four thermodynamic states in order, reaches the initial state again (cyclic process). The amounts of heat, Q and work, W involved in these states are Q, =6000J, 42 =-5500J , Q3 = -3000 J, Q, =3500 W, =2500J, W2 =-1000J, Ws =-1200J, IN, =x J The ratio of net work done by the gas to the total heat absorbed by the gas is r. Calculate the value of x and n.

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Vivek replied | 8 hrs ago

Total heat  in this process=6000-5500-3000+3500


Total work in this process=w1+w2+w3+w4



Total heat=Total work



So.    x=700

n=net work done/total heat absorbed




Sana 3 days ago in  Exam Coaching

How do I prepare for IBPS coaching?

0 0

IBT replied | 10 hrs ago

IBPS Coaching requires at two month intensive preparation for below subjects, 

Quantative Aptitude 



Join a good Institute near to your home. Practice handouts and exercises daily for 3 to 4 hours after classes. Mock Test exams Practice daily is a must for best preparation. Subject wise practice initially and once you complete 70 to 80% of your syllabus go for full end exams. 

Check your time for each exam and increase your speed and accuracy with each exam. Analysis of exams and find out where you a committing mistakes needs to be rectified. Time management is the most important in IBPS Exams.

Clear your doubts with your faculty and ask them tips to solve the problems.

Only study two author books. Practice those books two to three times. Once you are perfect then write lot of exams. Try to cover all previous years papers.

All the best


Abhishek 1 day ago in  CBSE/Class 11/Science/Physics

A person is measuring the velocity of sound in an experiment. He found that velocity of sound increases by 61 cm/s for every 1C. Show this mathematically.

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Madan Mohan replied | 10 hrs ago

Let V1 be the velocity of sound  in air at a temperature of 0*C and V be the velocity of sound in air at a temperature  T*C. Therefore the statement is mathematically expressed as below

V=V1+(61cm/s X T*C) 


Tanush 1 day ago in  CBSE/Class 11/Science/Physics

A constant retarding force of 50N is applied to a body of mass 20 kg moving initially with a speed of 15 ms-1. How long does the body take to stop?

0 0

Bappaditya replied | 12 hrs ago

Time 6 secs

Deepak replied | 11 hrs ago

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