Can the following be a net for a die? Explain your answer.

Write down the actual logic operation carried by the following circuit. Explain your answer.

How does inserting the control rods in the graphite core affect the fission in the reactor ? Explain your answer.

How is heating of sugar different from heating of ammonium chloride ? Explain your answer.

Is it possible to see atoms these days? Explain your answer.

Can any source of energy be pollution free ? Explain your answer with an example.

Can we draw a chord of length 15 cm in a circle of radius 7 cm ? Explain your answer .