Contribute & Test Your Skills
- Chemical Reactions & Equations
- Acid, Bases & Salts
- Metals & Non Metals
- Carbon & Its Compounds
- Periodic Classification of Elements
- Life Processes
- Respiration
- Control and Coordination
- How Do Organism Reproduce
- Heredity and Evolution
- Light: Reflection and Refraction
- Human Eye and Colorful World
- Electricity
- Magnetic Effect of Electric Current
- Sources of Energy
- Our Environment
- Management of Natural Resources
Popular Questions
- A person needs a lens of power - 5.5 D.
- The danger signals installed at the top of tall buildings are red in colour.
- A person with a myopic eye cannot see object beyond -1.2 m distinctly.
- A person with a myopic eye cannot see objects beyond 1.2m distinctly.
- Which of the following phenomena of light are involved in the formation of a rainbow?
- Why do stars twinkle?
- What is meant by power of accommodation of the eye?
- Explain, why the planets do not twinkle?
- What is the far point and near point of the human eye with normal vision
- Why does the sky appear to be dark
- A student sitting on the last bench can read the letters written on the blackboard but
- When ciliary muscles are relaxed, focal length of eye lens is
- The change in focal length of eye lens is caused by action of
- Splitting of white light into seven colours on passing through a glass prism is due to
- The far point of a myopic person is 80cm in front of the eye
- Twinkling of stars is due to atmospheric
- Why is a normal eye not able to see clearly
- The size of the pupil of the eye is adjusted by
- At noon the sun appears white as
- The human eye forms the image of an object at its
- A student has difficulty in reading the blackboard while sitting in the last row
- The least distance of distinct vision for a young
- Which of the following statement is correct regarding the propagation of light of different colours of white light in air?
- The human eye can focus objects at different distances by
- What happens to the images distance in the eye when we increase the distance
- Why does the sun appear reddish early in the morning
- A person uses a lens of power +3D to normalise vision.
