Spectroscope Microscope Stethoscope Telescope
Periscope
Hydroscope
16
1.
It is used to hear the heartbeat.
2
It is used to view objects above the eye level.
3. It is used to see objects under water.
4.
It is used to observe the spectrum.
5.
It is used to view distant objects.
6. It is used to view tiny objects.
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