हमें (हरी) घास का रंग हरा दिखाई देता है, क्योंकि -
We see green grass as green because -
Collection of verified questions for Prakash under General Science. Includes previous year exam questions with official answer keys and step-by-step solutions.
We see green grass as green because -
In which direction is a rainbow visible at 12:00 noon?
Which mirror is used as a rear-view mirror in vehicles?
Which type of mirror is used for rearview observation of traffic in a car?
What will be the nature of the image formed by a convex mirror for an object placed between infinity and the pole P of the mirror?
Which of the following lenses is used to correct myopia (short-sightedness)?
The reason why the Sun appears reddish at sunrise and sunset is -
With reference to a person suffering from hypermetropia (long-sightedness), which of the following statements is not correct?
The blue colour of the sky is due to -
Which of the following types of mirrors is used to view traffic coming from behind a car?
The sea appears blue due to -
Consider the following statements - 1. If a person looks at a coin placed at the bottom of a bucket filled with water, the coin appears closer than its actual depth. 2. If a person underwater looks at a coin held above the water surface, the coin appears at a greater height than its actual position. Which of the statements given above is/are correct?
Which one of the following statements is not correct?
Which of the following colour combinations in an umbrella is most suitable for protection from sunlight?
Light consists of seven colours. What is the method of separating these colours?
The correct sequence of colours in a rainbow is -
How many images will be formed when a point source of light is placed between two parallel plane mirrors?
An air bubble in water behaves like an -
Which of the following colours is seen in the middle of a rainbow?
The two boundary/marginal colours of a rainbow are -
The sky appears blue because -
Photosynthesis using the invisible part of sunlight is carried out by certain -
Consider the following statements - 1. The blue appearance of the sky is due to scattering of light. 2. The seven colours of the rainbow are due to scattering of light. 3. The red appearance of the Sun at sunrise is due to scattering of light. Which of the above statements is/are correct?
The sky appears blue because -
When sunlight falls on raindrops, a rainbow is produced. Which of the following physical phenomena are responsible for this? 1. Dispersion 2. Refraction 3. Internal reflection Select the correct answer using the code given below: