Which of the surfaces of a thermos flask are silvered and why?
Answer Posted / n palani
silver coating reduces the radiation heat transfer
(infrared) from/to the surface
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
Which property of sound is affected by change in air temperature?
Explain interference?
A solar collection has been installed to heat water. A large water tank has a volume of 5.0 x 105 cm3. The area of the solar collectors is 8m2. (2 meters by 3 meters). If the water in the tank starts out with a temperature of 30°C in the morning, what is its temperature in the evening after the sun has set?
Physicists most commonly call a mass moving in a straight line path as having:
How echo is produced?
What are rectifiers used for?
Why does the pilot tilt the outer wing of the airplane inward while taking a turn?
Explain the Use of manometer.
What is the difference between a vector and a phasor?
What is speed of sound at sea level?
Explain how do you find your body volume using a tape measure?
Explain what is a newton meter?
What is sonar ( sound navigation and ranging )?
What is third law of thermodynamics?
When is fluorescence strong?