Question
The instrument which uses sound waves to measure the
depth of oceans is –Solution
Theinstrumentwhichusessound waves to measure the depth of oceans is sonar. Sound waves can travel much faster from one point to another. Sound waves are far more accurate for measuring these vast distances. Sonar may be used as a means of acoustic location and of measurement of the echo characteristics of "targets" in the water. Sonar mayalsobeusedinairforrobotnavigation,and SODAR is used for atmospheric investigations.
Which type of mirror is utilized in solar furnaces to focus sunlight and generate heat?
Heat stored in water vapour is –
The acceleration due to gravity ___________ with height
What is the cause of hypermetropia?
A ray of light from the object parallel to principal axis of a concave lens, after refraction appears to diverge from which point on the same side of th...
Which of the following is the least penetrating power rays ?
Which of the following wind is also known as “ICE HEATER?”
When two charged bodies are properly connected but do not exchange electric current, it indicates that they have the same _____.
What term describes the resistance of an object to changes in its state of motion or rest?
Water gets cooled, when ice is immersed in it. It is because of the phenomenon of
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