Interference of sound waves, When two rays of same frequency, similar wavel...

When two rays of same frequency, similar wavelength, and similar speed moves in the same direction, their superimposition gives result in the interference. Due to interference the

What evidence is there supporting the big bang theory, What evidence is the...

What evidence is there supporting the Big Bang theory? In short, the universe is increasing. All of the galaxies we have observed that are great distance away are moving away f

What is time, What is time? 1. This is the question that each true sci...

What is time? 1. This is the question that each true scientist dreads to be asked especially in a public setting by extremely inquisitive young learners. We have learned to ca

Projectile-motion, A particle is projected from ground with velocity 40sqr...

A particle is projected from ground with velocity 40sqrt2m/s.find- a)velocity and b)displacement of particle after 2sec .Take g=10m/s^2 Ans) velocity v=u+at a=-g v=40√2-10*2

Explain standing or stationery waves, Standing OR Stationery Waves: Whe...

Standing OR Stationery Waves: When two identical waves of similar amplitude and period moving along the similar line in opposite directions superpose each other, a latest set o

Forces and nature,

What are the uses of endoscopy, What are the uses of Endoscopy? Endosco...

What are the uses of Endoscopy? Endoscopy can include: 1. The gastrointestinal tract (i.e., GI tract): a. oesophagus, stomach and duodenum (esophagogastroduodenoscopy)

Unit vectors, Unit Vectors A unit vector is a vector of unit length. A...

Unit Vectors A unit vector is a vector of unit length. A easy animation of unit vectors and vector addition. A unit vector is a vector of length 1, sometimes also called a dir

Calculate mass of an electron, Calculate mass of an electron accelerated to...

Calculate mass of an electron accelerated to kinetic energy of 2 M eV.

Gel and emulsions, WHAT IS THE RELATION B/W GEL AND EMULSION? WHAT ARE THE ...

WHAT IS THE RELATION B/W GEL AND EMULSION? WHAT ARE THE CLASSIFICATIONS?AND FEATURES OF GELS AND ASLO EMULSIONS