Explain what is optical medium?

933

i didnot recieve my group1 hallticket

2338

If a plane is in the air and there is a fly flying inside the plane does the plane get heavier when the fly lands?

1026

Explain what is the longest lasting synthetic periodic element?

979

What seven colors appear to be white when mixed together?

930

HOW MANY UNITS ARE CONSUMED DURING 1 HR BY 1.5 TON A/C

2162

What is the value of magnetism at the center of earth?

977

dear sir i need rrb chennai Section engineer S & T for last 2 year question papers. Plz send my email id is gsmaliniraj@yahoo.co.in, malinisankaram@gmail.com

2052

explain principle of potentiometer

3107

what is difference b/w scr &rectifier&mechanism of triac experiment

2196

What is an electron?

983

A solar collection has been installed to heat water. A large water tank has a volume of 5.0 x 105 cm3. The area of the solar collectors is 8m2. (2 meters by 3 meters). If the water in the tank starts out with a temperature of 30°C in the morning, what is its temperature in the evening after the sun has set?

1987

what is the difference between cdma and gsm

2227

What is different between secondary electron image and back scattered electron image?

974

cyclotron

3655