Question
Name the two allotropes of carbon.
✓
Answer
- Diamond and graphite.
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
State the uses of a plane mirror.
What is an impulse?
Rohit is a car driver working for Mr Joshi. One day Rohit complained that he had difficulty in driving the car because he could not see the distant traffic clearly though he could see the nearby objects clearly. Mr Joshi took Rohit to an eye hospital. The eye specialist doctor checked and tested his eyes with various machines and gave him the name and power of the lenses to be worn as spectacles.
$\qquad$Mr Joshi paid for the required spectacles for the driver. By wearing these spectacles, the driver could now see even the distant vehicles and people on the road clearly. He thanked Mr Joshi for this.
(1) Name the eye defect Rohit is suffering from.
(2) What could be the two possible reasons for his eye defect? What type of lenses do you think the doctor recommended for Rohit's spectacles?
(3) What values (or qualities) do you learn from Mr Joshi in this episode?
→$\qquad$Mr Joshi paid for the required spectacles for the driver. By wearing these spectacles, the driver could now see even the distant vehicles and people on the road clearly. He thanked Mr Joshi for this.
(1) Name the eye defect Rohit is suffering from.
(2) What could be the two possible reasons for his eye defect? What type of lenses do you think the doctor recommended for Rohit's spectacles?
(3) What values (or qualities) do you learn from Mr Joshi in this episode?
What is cataract? How is the vision of a person having cataract restored?
In a circuit, two resistors of resistances $5 \Omega$ and $10 \Omega$ are connected in series. Compare the current passing through the two resistors.
→What is the basic cause of atmospheric refraction?
Give the scientific terms used to represent the following :
(i) Bending of a shoot towards light
(ii) Growing of roots towards the earth
(iii) Growing of a pollen tube towards ovule
(iv) Bending of roots towards water
(v) Winding of tendril around a support
(i) Bending of a shoot towards light
(ii) Growing of roots towards the earth
(iii) Growing of a pollen tube towards ovule
(iv) Bending of roots towards water
(v) Winding of tendril around a support
A ray of light is incident on a convex mirror as shown in the adjoining figure. Redraw the diagram and complete the path of the ray after reflection from the mirror.
Among snake, insects, frog, plants, hawk which one is an organism of fourth trophic level?
Can asexually reproducing organisms follow similar rules of inheritance? Why?