Calculate percentage, By what percentage should the pressure of a given mas...

By what percentage should the pressure of a given mass of gas be increased,so as to decrease its volume  by 10% at a constant temperature.

Doppler effect, #quest. Imagine a small observer is positioned in front of ...

#quest. Imagine a small observer is positioned in front of the cork in your picture above. As the cork approaches, the observer measures the wavelength of the waves passing by. How

Forces and nature,

What is meant by a circuit ?, what is meant by a circuit ?

what is meant by a circuit ?

Explain newtons third law - linear motion, Explain Newtons Third Law - Line...

Explain Newtons Third Law - Linear Motion Stating that a force is just a push or a pull is a bit of a simplification.  If we exert a push or a pull on an object then the object

Working of a simple microscope, What are lens aberrations? Give reasons for...

What are lens aberrations? Give reasons for them. Illustrate the working of a simple microscope and give a mathematical expression for its magnifying power.

What is wheatstone bridge, What is Wheatstone bridge? Assume the condition ...

What is Wheatstone bridge? Assume the condition for which Wheatstone bridge is balanced.

State the biasing network and resistor rg, Biasing Network and Resistor R...

Biasing Network and Resistor RG Biasing Network (Rs and Cs): JFET is self-biased by using the biasing network R s -C s .   Desired  bias  voltage  is  obtained  when  d.c.

How the temperature of a hot object is lost, The topic for the project is N...

The topic for the project is Newton's Law of Cooling, although you may choose a different title. The aim is to research how the temperature of a hot object is lost when it is kept

Explain about soft iron armatur, A force of 2.5kN is needed to lift a load....

A force of 2.5kN is needed to lift a load. How much work is done if the load is lifted by 500cm? An electromagnet exerts a force of 12N and moves a soft iron armature by a dist