Which of the following parts of the sun is easily visible only during a total solar eclipse?
Potassium Permanganate is used for purifying drinking water, because
What does airbag, used for safety of car driver, contain?
In fireworks, the green flame is produced because of
As you go down into a well, your weight
The weight of an object will be minimum when it is placed at?
The blue colour of the clear sky is due to
Answer: Option 'C'
A clear cloudless day-time sky is blue because molecules in the air dissipate blue light from the sun more than they dissipate red light. When we look towards the sun at sunset, we see red and orange hues on the grounds because the blue light has been scattered out and away from the line of sight.
Which one of the following types of waves are used in a night vision apparatus?
Which of the following is used in pencils?
A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive, and O positive. The blood group of the adopted son is