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Delhi Police SI Light — practice questions

Explore 1 free Light questions in Delhi Police SI Science. Open each question or exercise to read its content, reference answers and available explanation.

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Objects that produce their own light are called:

  1. Transparent objects
  2. Luminous objects
  3. Translucent objects
  4. Nonluminous objects
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Correct answer: B. Luminous objects

1. Objects emitting their own light (e.g. the Sun, a lamp) are termed luminous. 2. Non-luminous objects only reflect light. 3. Hence the answer is luminous objects. _Source: RRB Group D CEN-02/2018 PYQ, Q.37._

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