Define sound waves, The energy to which the human ears are sensitive is nam...

The energy to which the human ears are sensitive is named as sound. In general all parts of waves are produced in an elastic material phase, Irrespective of while these are listen

Ripple tank, Ripple tank The concept of reflection and refractio...

Ripple tank The concept of reflection and refraction of light waves can be understood by the study of reflection and refraction of waves on water. The water waves travel

What is thermal neutrons, Fast neutrons can be changed into slow neutrons b...

Fast neutrons can be changed into slow neutrons by certain materials known as moderator's  when last moving neutrons pass by a moderator, they combine with the molecules of the mod

Can you explain ohms law, Can you explain Ohms Law? Ans. If Temperature...

Can you explain Ohms Law? Ans. If Temperature remains constant then current flow is directly proportional to applied Voltage. I ∝ V, I = V/R (resistance of the conductor)

Fourth harmonic-standing waves on a string, Fourth Harmonic-Standing Waves ...

Fourth Harmonic-Standing Waves on a String There are a variety of patterns that could be generates through vibrations inside a string, slinky, or rope. Every pattern correspond

Forces and nature,

Power for the circuit, a) A circuit has a voltage of 15V and a current of 2...

a) A circuit has a voltage of 15V and a current of 2A. the phase angle is 45 degree. Verify the true power of the circuit? (Calculate apparent and true power) b) Verify the appare

Expermient of a tin can charcoal burner, A tin can charcoal burner A la...

A tin can charcoal burner A large tin can at least 10 cm in diameter should be use. About 4 cm from the bottom mark off triangular windows around the can, as shown in the diagr

What are their wavelengths, A hydrogen atom is in the ground state. It abso...

A hydrogen atom is in the ground state. It absorbs energy and makes a transition to the  n  = 3excited state. The atom returns to the ground state by emitting two photons. What are

How does water ?ow into the bowl, Fish soup is prepared in a hemispherical ...

Fish soup is prepared in a hemispherical copper bowl of diameter 40 cm. The bowl is placed into the water of a lake to cool down and ?oats with 10 cm of its depth immersed.