Explain what is the rectilinear propagation of light?

1000

---

Explain what is photometry?

937

---

Tell me when taken to the top of a mountain, a clock will go fast or go slow or no change or stop?

919

---

Explain what is h1n1?

981

---

Explain what is the shadows?

959

---

Explain what is the heterogenous?

926

---

Tell me how we are getting light from electrical bulb?

895

---

Draw a graph between frequency of photon and velocity of photo electron?

902

---

What are the ten satellite launched from india and year of launch?

994

---

explain the proper definition of light?

996

---

What is reflection of light?

1072

---

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

1012

---

Explain the difference between optical zoom, digital zoom and smart zoom?

963

---

Explain what is the translucent?

990

---

Explain the difference between photodiode & photocell?

996

---