Diffraction grating ?1 has half the lines/cm that diffraction grating ?2 does. When used with a certain wavelength of light, both gratings give first-order maxima. Which of the following statements is true for the same wavelength of light

a. Both gratings must also give second-order maxima.
b. Grating ?1 must give a second-order maximum.
c. Grating ?2 must give a second-order maximum.
d. It is possible that neither grating gives a second-order maximum.


b

Physics & Space Science

You might also like to view...

The magnetic field in a cyclotron is 0.50 T. What is the radius of the vacuum chamber for a maximum proton velocity of

A. 0.11 m B. 1.2 m C. 0.21 m D. 0.013 m

Physics & Space Science

What type of geological activity is seen on Neptune's moon Triton?

a. Plate tectonics and earthquakes are a common occurrence on Triton. b. Volcanoes of molten lava, similar to Earth, have been seen there. c. Geysers of liquid nitrogen are seen erupting from its surface. d. Geysers of liquid water are seen erupting from its surface.

Physics & Space Science

Two vehicles with equal magnitudes of momentum traveling at right angles to each other undergo an inelastic collision. The magnitude of momentum for the combined wreck is

A) the same as the magnitude of momentum of either car before collision. B) less than the magnitude of momentum of either car before collision. C) greater than the magnitude of momentum of either car before collision. D) none of the above

Physics & Space Science

When an item has been launched into orbit:

a. it no longer falls because the weakening of Earth's gravity with increased height has made it lighter than air. b. it no longer falls because it is outside the atmosphere. c. it is kept in orbit by attraction to the Sun and Moon. d. it continues to fall but its path never reaches the ground. e. centripetal force from Earth's gravity keeps it from being accelerated toward Earth.

Physics & Space Science