1. Fill in the blanks:
(i) Camphor is a …………………..substance.
(ii) The temperature of a substance remains ……………………… during its change of state.
(iii) A ray of light travelling from air to water is bent…………… the normal.
(iv) Virtual images are always ……………. .
(v) ………………..is formed due to dispersion of light
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sublimating
constant
towards
upside down
rainbow
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