Physics-10th The Human Eye and the Colourful World CBSE Board 2023 Medium
Give reasons for the following : (a) Danger signals installed at airports and at the top of tall buildings ar…
Give reasons for the following :
- (a)Danger signals installed at airports and at the top of tall buildings are of red colour.
- (b)The sky appears dark to the passengers flying at very high altitudes.
- (c)The path of a beam of light passing through a colloidal solution is visible.
🔒 Step-by-step solution
Sign up free to reveal the full worked solution — hints, steps and the final answer, with a Solve-with-us walkthrough.
More questions from The Human Eye and the Colourful World
Class 10 Physics-10th — every question with an expert-verified, step-by-step solution.
- Q1 The human eye can focus on objects at different distances by adjus…
- Q1 What is meant by power of accommodation of the eye?
- Q2 The human eye forms the image of an object at its
- Q2 A person with a myopic eye cannot see objects beyond 1.2 m distinc…
- Q3 The least distance of distinct vision for a young adult with no…
- Q3 What is the far point and near point of the human eye with norm…
- Q4 The change in focal length of an eye lens is caused by the action…
- Q4 A student has difficulty reading the blackboard while sitting in t…
- Q5 A person needs a lens of power -5.5 dioptres for correcting his dista…
- Q6 The far point of a myopic person is 80 cm in front of the eye. W…
- Q7 Make a diagram to show how hypermetropia is corrected. The near po…
- Q8 Why is a normal eye not able to see clearly the objects placed…