Light ray that strikes surface of a glass slab normally will deviate from its path.

True

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False

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Solution

The correct option is B False
Light ray that strikes surface of a glass slab normally ie $i = 0^{\circ}$
According to Snells law,
$μ_{1} sin i = μ_{2} sin r μ_{1} sin 0^{\circ} = μ_{2} sin r$
$sin r = 0$
$r = 0^{\circ}$

hence, given statement is false.

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Light ray that strikes surface of a glass slab normally will deviate from its path.

The correct option is B FalseLight ray that strikes surface of a glass slab normally ie i=0∘ According to Snells law, μ1sini=μ2sinrμ1sin0∘=μ2 sinr sinr=0 r=0∘hence, given statement is false.

The correct option is B False
Light ray that strikes surface of a glass slab normally ie $i = 0^{\circ}$
According to Snells law,
$μ_{1} sin i = μ_{2} sin r μ_{1} sin 0^{\circ} = μ_{2} sin r$
$sin r = 0$
$r = 0^{\circ}$

hence, given statement is false.