Question
What is meant by a luminous object$?$ Name two luminous objects.
✓
Answer
Objects that have their own light i.e., objects that emit light of their own are known as luminous objects. $2$ luminous objects are- stars and sun. The sun and the stars have their own light. A light bulb is also luminous.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Which type of reproduction:
$1.$ Involves gametes?
$2.$ Does not involve gametes?
→$1.$ Involves gametes?
$2.$ Does not involve gametes?
Name two common lubricants.
A person is in open space during a thunderstorm with no shelter (not even a tree) available nearby. Describe the safe position which he should take to protect himself from lightning. Why is this position considered safe?
What is the difference between viviparous animals and oviparous animals?
Name an eye ailment (or eye-disease) caused by the deficiency of vitamin $A$ in the diet.
→Two friends are trying to push a heavy load as shown in figure below. Suggest a way which will make this task easier for them.
Explain the structure and functioning of a dry cell. What precautions should be taken so that the cell does not weaken quickly or suddenly be used up?
Why do we have to apply more force to pull the sucker off the smooth surface?
The Satpura national park is renowned for its wildlife. Name some organisms that contribute to its fauna.
What is meant by ‘combustion’? Explain with an example.