Q. ध्वनि के संदर्भ में, निम्नलिखित कथनों पर विचार कीजियेः

उपर्युक्त कथनों में से कौन-सा/से सही नहीं है/हैं?

केवल 2 और 3

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1, 2 और 3

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केवल 1 और 2

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केवल 3

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Solution

The correct option is C केवल 1 और 2
केवल 1 और 2

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Similar questions

The correct statement with regard to $H_{2}^{+}$ & $H_{2}^{-}$ is

Assertion : For drying $H_{2} S$ , Conc. $H_{2} S O_{4}$ cannot be used.

Reason: Moist $H_{2} S$ is oxidized by Conc. $H_{2} S O_{4}$

H_{2}

H_{2} {S O}_{4}

H_{2}

H_{2} {S O}_{4}

H_{1}, H_{2}

\frac{H_{1} + H_{2}}{H_{1} . H_{2}} =

H_{1}, H_{2}

2 H . M^{'} . s

a

b

\frac{H_{1} + H_{2}}{H_{1}, H_{2}} =

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