question answer8) Which of the following are non-luminous bodies?
(i) A planet
(ii) A star
(iii) A metal strip
(iv) A burning candle
A) Only (i) and (ii)
B) Only (ii) and (iii)
C) Only (i) and (iii)
D) Only (li) and (iv)
Answers
Answer:
Explanation:
1. The light is passed through object ‘A’ then ‘A’ is
a. Translucent b. Opaque c. Transparent d. None of these
2. Which one is the natural source of light?
a. Tube light b. Electric bulb c. Sun d. None of these
3. The shape of the shadow depends upon the
a. Size of the object b. Position of source of light
c. Size of source of light d. Shape of the object
4. The light ray which returns after striking a smooth surface is called.
a. Incident ray b. Normal ray c. Reflected ray d. None of these
5. Glass sheet is a
a. Transparent object b. Translucent object
c. Opaque object d. All of these
6. Stars are
a. Luminous b. Non-luminous c. Both of these d. None of these
7. The objects which allow the most of the light to pass are called.
a. Translucent b. Opaque c. Transparent d. None of these
8. Which of the following is a luminous object?
a. Sun b. Table c. Chair d. Pencil
Answer:
hope may it help you
Explanation:
A) only (i) and (ii)