Which one of the following uses a lens and two mirrors?. a ... binoculars. c ... reflecting telescope. b ... microscope. d ... refracting telescope

A discrete, distinct pattern of specific wavelength against a background of continuous spectrum

What is t in the formula of Q=m C t

What synthetic substance is similar to the male sex hormone testosterone?

A car is traveling 15m/s starts to decelerate steadily. It comes to a complete stop in 10 seconds. what is it's acceleration?

Thermal energy is transferred from the sum to the earth by

How did Niels Bohr change the atomic model based on his experimental results?

After landing on an unfamiliar planet, a space explorer constructs a simple pendulum of length 50.0 cm. She finds that the pendulum makes 100 complete swings in 136 s. What is the value of g on this planet?

When a the irregularities of one surface come into contact with those of another surface, occurs

What type of wave passes through the spring in the frog toy? Why?

Different kinds of substances have different properties of metals