Free Old is Gold, Entrance Practice & Social Network

Sunil Yonjan

grishma gautam • asked a question

In a stormy day a boy observes a lightening flash which is followed by a thunder 3 sec. later. How would you estimate the distance of the lightening strike from the boy? ( given, velocity of sound...

Time taken (t) = 3 sec
Velocity of sound (v) = 332 m/s
Distance travelled (d) = ?

We know,

d = v x t = 332 x 3 = 996 m

Hence, the source of thunder is about 996 m far from the boy.

2 Thanks

2 Answers

Answer Thread

Ashok Shah • 8 months ago

When Years of Academic Success Became a Tale of Failure!!

Aahan, a student, has always been deeply ingrained withacademic successin his life. From a young age, he was taught that hard work and dedication were the keys to achieving the goals. As a result, he dedicated countless hours to studying, completing assignments, and striving for top grades.The thrill of academic achievement was intoxicating. Each high grade was a validation of...

2 Claps

0 Comments

Comment Read

Nikas Ghimire • almost 2 years ago

There are different ways to visualize infinity to ponder upon. This is some random thing about infinity in my head which I'll be mentioning.

Imagine any number, Keep on adding a certain value to it, Since we are talking big here, there is no limit to how much you add.

Keep on adding, Imagine that the progress of increment is like a progress bar. So, Is the progress bar really progressing? Since it doesnt really have an end and no...

4 Claps

1 Comments

Comment Read

Rabin Kalikote

Where could be the end? Any thoughts?

Reply almost 2y

Nikas Ghimire

The end is when node_modules finishes installing.

almost 2y

Ashok Shah • 4 months ago

Hey everyone, Today, I want to take a moment to revisit something special that happened recently. I was invited to my college where I completed my 11th and 12th to share my experiences from my +2...

2 Claps

0 Comments

Comment Read

Chandan Yadav • over 1 year ago

What is Rh factor

6 Claps

2 Comments

Comment Read

KRISH YADAV

The Rh factor(the Rhesus factor or Rh antigen), is a protein that can be found on the surface of red blood cells. It is one of the most important blood group systems in human blood typing. The presence or absence of the Rh factor is denoted as either Rh-positive (+) or Rh-negative (-).

Reply 7mo

KRISH YADAV

Fun fact: The Rh factor is named after the Rhesus monkey, in which the protein was first discovered.

Reply 7mo