Question

18. In an experiment to determine the wavelength of laser light, a small laser is

directed towards a diffraction grating with 500 slits per mm, which is at a distance
from a whiteboard.
() () In the space below, draw a plan view of the arrangement that might be
used and mark on it approximate distances.
4
() Describe what you would expect to see on the whiteboard when the
laser light is passing through a diffraction grating
(2)
(1)
(i) Add to your diagram to show the positions of what you would expect to
see and add labels as appropriate.
(iv) Indicate on your diagram any further measurements you would take
(1)
(2)

Answer 1

Answer:An unmanned spacecraft leaves for Venus. Which statements about the spacecraft’s journey are true?

The weight of the spacecraft keeps changing.

The mass of the spacecraft keeps changing.

The weight of the spacecraft remains the same.

The mass of the spacecraft remains the same.

The gravitational pull on the spacecraft remains the same.

Step-by-step explanation: