Tell me how we are getting light from electrical bulb?

947

---

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

943

---

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

1041

---

explain the proper definition of light?

1032

---

What is reflection of light?

1131

---

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

1047

---

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

1012

---

Explain what is the translucent?

1034

---

Explain the difference between photodiode & photocell?

1053

---

Explain why are metals able to conduct current so well?

933

---

Explain what is the homogenous?

1046

---

Tell me what type(amount) of capacitors are used in fan?

948

---

Tell me why is n-type conductor is neutral?

928

---

Explain real image?

1151

---

What is the effect of using two converging lenses in one optical instrument?

972

---