Q.

When we blow over a paper strip it goes upward why?

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

None of these is a correct reason

b

Blowing over the paper reduces the air pressure above the strip

c

Blowing over the paper increases the air pressure above the strip

d

The strip will not go upward at all

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

detailed_solution_thumbnail

When we blow over a paper strip it goes upward due to high-speed winds. They are always accompanied by air which reduces pressure. It also creates differences in pressure below and above the paper strip. The region below the paper has more pressure than above the strip.

Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon
When we blow over a paper strip it goes upward why?