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Question
When a mirror is rotated through an angle, the reflected ray moves through double that angle, the instrument based on the above principle is :
When a mirror is rotated through an angle, the reflected ray moves through double that angle, the instrument based on the above principle is :
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Solution
The correct option is D Sextant
A periscope is based on the principle of reflection.An Odometer is used to measure the distance travelled by a vehicle.A Refractometer is based on the principle of refraction (Snell'slaw).A Sextant is used to measure the angle between two visible objects. Baesd on the principle that when a mirror is rotated through an angle the reflected ray moves through double of that angle.
A periscope is based on the principle of reflection.
An Odometer is used to measure the distance travelled by a vehicle.
A Refractometer is based on the principle of refraction (Snell'slaw).
A Sextant is used to measure the angle between two visible objects. Baesd on the principle that when a mirror is rotated through an angle the reflected ray moves through double of that angle.
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