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Question
At night when the lights of a scooter or a car fall on a road-sign or on a vehicle moving ahead, the painted letters or numbers shine with a glow. Which of the following is a luminous paint?
At night when the lights of a scooter or a car fall on a road-sign or on a vehicle moving ahead, the painted letters or numbers shine with a glow. Which of the following is a luminous paint?
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Solution
The correct option is B Barium sulphide
Barium sulphide can be employed as a short wavelength emitter for electronic displays and used in electronics, paint pigments, flame retardant, luminous paints, and producing pure hydrogen sulphide.
Barium sulphide can be employed as a short wavelength emitter for electronic displays and used in electronics, paint pigments, flame retardant, luminous paints, and producing pure hydrogen sulphide.
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