Neodymium and praseodymium are used to make

Colored glasses for goggles

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Opaque glasses for windows

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Both (A) and (B)

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None of the above

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Solution

The correct option is A Colored glasses for goggles
Neodymium and praseodymium due to their colour-exhibiting properties are used to make colored glasses for goggles

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Similar questions

Q. Sun glasses are made of polaroids and not of coloured glasses, why? Give examples for two commonly used devices which make use of polarised light.

Q. A crown glass prism of refracting angle

6^{\circ}

is to be used for deviation without dispersion with a flint glass of angle of prism a.Given: for crown glass

μ_{r} = 1.513

and

μ_{v} = 1.523

, for flint glass

μ_{r} = 1.645

and

μ_{v} = 1.665

. Find a.

Q. Three prisms of crown glass, each have angle of prism

9^{\circ}

and two prisms of flint glass are used to make direct vision spectroscope. What will be the angle of flint glass prisms if

μ

for flint is

1.60

and

μ

for crown glass is

1.53

Q. Glass bottles used for storage of medicines are made up of ________ glass.

The glasses used for reading purposes are essentially ______lenses, while those used for seeing distant objects clearly are essentially ______ lenses.

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Neodymium and praseodymium are used to make

The correct option is A Colored glasses for gogglesNeodymium and praseodymium due to their colour-exhibiting properties are used to make colored glasses for goggles

The correct option is A Colored glasses for goggles
Neodymium and praseodymium due to their colour-exhibiting properties are used to make colored glasses for goggles