Scientific Instruments
Chapter-40
Read the given descriptions about some scientific instruments and name them by using Snaily's clue box
āĻিāĻুāĻŽাāύ āĻŦৈāĻ্āĻাāύিāĻ āϏঁāĻুāϞিā§° āĻŦিāώāϝ়ে āĻĒ্ā§°āĻĻāϤ্āϤ āĻŦā§°্āĻŖāύাāĻŦোā§° āĻĒāĻĸ়া āĻā§°ু āĻļাāĻŽুāĻā§° āĻ্āϞু āĻŦāĻ্āϏ āĻŦ্āĻ¯ā§ąāĻšাā§° āĻā§°ি āϏেāĻāĻŦোā§°ā§° āύাāĻŽ āĻĻিāϝ়া
Snaily's Clue Box |
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a) Telescope | b) Binoculars | c) Stethoscope | d) Seismograph |
e) Rain Gauge | f) Lactometer | g) Thermometer | |
1. To measure atmospheric pressure ____________.
ā§§. āĻŦাāϝ়ুāĻŽāĻŖ্āĻĄāϞীāϝ় āĻাāĻĒ āĻোāĻাā§° āĻŦাāĻŦে __________।
Ans. h) Barometer (āĻŦেā§°োāĻŽিāĻাā§°)
2. To measure the temperature of human body ____________.
⧍. āĻŽাāĻ¨ā§ą āĻļā§°ীā§°ā§° āĻāώ্āĻŖāϤা āĻোāĻাā§° āĻŦাāĻŦে ____________ ।
Ans. g) Thermometer (āĻĨাā§°্āĻŽোāĻŽিāĻাā§°)
3. To determine the purity of milk ____________.
ā§Š. āĻাāĻীā§°ā§° āĻŦিāĻļুāĻĻ্āϧāϤা āύিā§°্āϧাā§°āĻŖ āĻā§°িāĻŦāϞৈ __________।
Ans. f) Lactometer (āϞেāĻ্āĻোāĻŽিāĻাā§°)
4. To measure rainfall ___________.
ā§Ē. āĻŦā§°āώুāĻŖ āĻোāĻাā§° āĻŦাāĻŦে ___________।
Ans. e) Rain Gauge ( ā§°েāĻāύ āĻāĻ)
5. To measure and record earthquake shock __________ .
ā§Ģ. āĻূāĻŽিāĻāĻŽ্āĻĒā§° āĻļ্āĻŦāĻ āĻোāĻা āĻā§°ু ā§°েāĻā§°্āĻĄ āĻā§°া __________ ।
Ans. d) Seismograph ( āĻিāĻāĻŽোāĻ্ā§°াāĻĢ)
6. To hear and analyse movements of heat and lungs ____________.
ā§Ŧ. āϤাāĻĒ āĻā§°ু āĻšাঁāĻāĻĢাঁāĻā§° āĻāϤিāĻŦিāϧি āĻļুāύিāĻŦāϞৈ āĻā§°ু āĻŦিāĻļ্āϞেāώāĻŖ āĻā§°িāĻŦāϞৈ ____________।
Ans. c) Stethoscope (āώ্āĻেāĻĨোāϏ্āĻোāĻĒ)
7. To get a magnified view of distant objects by both eyes ____________.
ā§. āĻĻুāϝ়োāĻা āĻāĻুā§°ে āĻĻূā§°ā§ąā§°্āϤী āĻŦāϏ্āϤুāĻŦোā§°ā§° āĻāĻ āĻŦিāĻŦā§°্āϧিāϤ āĻĻৃāĻļ্āϝ āĻĒ্ā§°াāĻĒ্āϤ āĻā§°িāĻŦāϞৈ ___________।
Ans. b) Binoculars ( āĻŦাāĻāύোāĻুāϞাā§°)
8. To view objects in the sky ____________.,
ā§Ž. āĻāĻাāĻļāϤ āĻŦāϏ্āϤুāĻŦোā§° āĻাāĻŦāϞৈ ____________।
Ans. a) Telescope (āĻĻূā§°āĻŦীāĻŖ)
Type By- Jatin Nath
Post ID: DABP004354