Advertisements
Advertisements
प्रश्न
What is the full form of RADAR?
एक पंक्ति में उत्तर
Advertisements
उत्तर
Full form of RADAR is 'radio detection and ranging'.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
A wire of length 80 cm has a frequency of 256 Hz. Calculate the length of a similar wire under similar tension, which will have frequency 1024 Hz
Define wavelength term in relation to a wave.
State two factors on which the speed of a wave travelling in a medium depends.
What adjustments would you make for tuning a stringed instrument for it to emit a note of a desired frequency?
Distinguish between mechanical and electromagnetic waves.
What is the difference between echo and reverberation?
What are the conditions necessary for the formation of echo?
Explain how is the principle of echo used by
(a) The bat during its flight at night,
(b) The dolphin to locate small fish as its prey.
What do you understand by the ‘Echolocation system of Dolphins’?
A type of electromagnetic wave has a wavelength of 50 Å. Name the wave and state one use of this type of wave.
