Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit

Related MCQs

• In a Laser (say neon laser) all the atoms emit the light waves of –
• For which one of the following, "Diodes' are generally used for?
• For which one of the following, 'Diodes' are generally used for?
• What do radioactive substances emit?
• When a strong beam of light is passed through a colloidal solution, the light will –
• Which of the following circuit elements is used to 'block' DC in an electronic circuit?
• Which of the following devices can be used to detect radiant heat?
• Which one of the following instruments is used to study dispersion of light?
• Which of the following is used to split white light into different colors?
• In which one of the following the phenomenon of total internal reflection of light is used?