Q. Which device uses a prism to reflect light?

कौन सा उपकरण प्रकाश को प्रतिबिंबित करने के लिए प्रिज्म का उपयोग करता है?

A
Microscope
माइक्रोस्कोप
B
Telescope
दूरबीन
C
Periscope
पेरिस्कोप
D
Spectrometer
स्पेक्ट्रोमीटर

Explanation

A periscope uses prisms (or mirrors) to reflect light and allow viewing over or around obstacles, such as in submarines. Light is reflected twice inside the periscope using total internal reflection inside the prism.

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