______________ of a wave is the rate of transfer of energy per unit area perpendicular to the direction of travel of the wave.
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When the vibrating object moves forward, it creates a region of high pressure in the medium called ______.
Which device is used to measure the depth of ocean?
How can we measure specific gravity of milk?
In the context of non-conventional energy, what is the meaning of 'OTE' ?
What is the SI unit of temperature?
_____ mirror is used in the headlights of cars.
The boiling point of an alcohol is 78°C. What is the temperature in Kelvin scale?
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