Answer Posted / duguta suresh kumar

light is an electromagnetic radiation which lying in the
range of visible light frequency and wavelength(640nm--__)

Explain the difference between a lens and a mirror?

1026

---

Explain the different parts of the x-ray radiation intensity graph? : quantum physics

988

---

What is the difference between collector & emitter of transistor, even though material used for both same?

928

---

X-Ray is avoided by using ?

1018

---

What is acoustics?

992

---

What is the effeciency of solar cell (Current year)

2430

---

What is Steady State Load & Transient Load?

2608

---

Does sunlight reflected off a mirror increase the temperature of the sun-rays?

1065

---

What is the direction of null vector?

1268

---

How many femtometers are in a nanometer?

1024

---

Is their any rule in significant figures that maximum number of significant figures in a number are 5

2005

---

What is black body and what are its characteristics? : quantum physics

939

---

Which animals communicate on under water sounds?

955

---

Explain the difference between emission and absorption line spectra. : quantum physics

920

---

By primarily using what simple machine did galileo come to the conclusion on the existence of friction?

953

---