Selina solutions

Selina solutions

Grade 8

Light Energy | Short/Long Answer Questions

Question 1

Q1) State the speed of light in (a) air, (b) water, and (c) glass

Solution :

Speed of light in

(a) Air -3\times10^8ms^{-1}\ or 300000 km/h

(b) Water -2.25\times10^8ms^{-1}

(c) Glass - 2\times10^8ms^{-1}

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subject-cta

Question 1

Q1) State the speed of light in (a) air, (b) water, and (c) glass

Solution :

Speed of light in

(a) Air -3\times10^8ms^{-1}\ or 300000 km/h

(b) Water -2.25\times10^8ms^{-1}

(c) Glass - 2\times10^8ms^{-1}

Still have questions? Our expert teachers can help you out

Book a free class now

Want to top your physics exam ?

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subject-cta
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