What is the rest mass energy of an electron?

944

How old is the earth? How has the earth evolved since formation? How do you calculate the age of earth?

791

Explain planck’s hypothesis or what the postulates of planck’s quantum theory? (Or) what are the assumptions of quantum theory of black body radiation? : quantum physics

894

What are the characteristics of dead stars?

1079

Explain what is the proper formula used to calculate acceleration?

944

What is meant by a diurnal cycle?

1087

I’ve heard that in quantum physics a lot of fancy mathematical objects like hilbert spaces are used, and that in particular, measurable quantities are described by self-adjoint operators. Are these things related to what you have just explained? : quantum physics

990

What are the steps to the scientific notation?

998

For projectiles fired at identical speeds but various angles from the ground, neglecting air resistance and the curvature of the earth, at what angle will the maximumhorizontal distance be attained?

904

What is the rectilinear propagation of light?

1050

Explain what is the longest lasting synthetic periodic element?

983

Explain which kind of volcano is the most destructive?

791

Explain why does sun appear flat during sunrise and sunset?

913

Tell me why ship doesnt sink sea?

1086

How increasing threshold voltage can affect on current in transistor?

1590