In the spectrum of white light the two colours appearing at the ends are ………………
A) red, violet
B) green, yellow
C) blue, red
D) red, orange
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Equal parts of a flag pole are painted with saffron, white, and green colours. If one-third of the portion painted green is 2 m long, then find the le
Correct Answer - 18 m
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What is meant by broad spectrum antibiotic and narrow spectrum antibiotics?
Antibiotics which are effective against wide range of bacteria are known as broad spectrum antibiotics, while antibiotics which are effective against one group of bacteria are known as narrow spectrum...
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Elements emit characteristic colours correspond o certain discrete wave¬lengths of light are called ……………..
C) line spectra
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Write a short note on emission spectrum of hydrogen. Also, list all the five series of lines in the hydrogen spectrum.
i. When electric discharge is passed through gaseous hydrogen, it emits radiation. The recorded spectrum of this emitted radiation is called hydrogen emission spectrum. ii. This spectrum falls in different regions of...
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In hydrogen spectrum, the series of lines appearing in ultraviolet region of electromagnetic spectrum are called ………….
Correct Option Is : (A) Lyman series Lyman Series - U.V region Balmer Series - Visible Region Pfund and Brackett Series - IR regions
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In hydrogen spectrum, the series of lines appearing in ultraviolet region of electromagnetic spectrum are called ………….
2 Answers
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The splitting of white light into different colours is called…………
A) dispersion
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The splitting of white light into different colours is called
Correct option is A) dispersion
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The splitting of white light into different colours is called
2 Answers
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Visible spectrum contains light of following colours 'Violet - Indigo - Blue - Green - Yellow - Orange - Red' (VIBGYOR). Its frequency ranges from vio
Correct Answer - 7500
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