Electromagnetic Fields and Optics

What is the direction of the induced magnetic field?

• Left
• Right
• Up
• Down

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the direction of the induced magnetic field?

• Left
• Right
• Up
• Down

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

In what direction is the magnet moving?

• Left
• Right
• Up
• Down

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

In what direction is the magnet moving?

• Left
• Right
• Up
• Down

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A/n ________ magnet is a magnet that retains it magnetism for a long time

• infinity

• perpetual

• enduring

• permanent

According to Ampere's right hand rule, the current in the wire in the diagram is going

• into the page

• out of the page

• up the page

• down the page

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

Which direction will the wire in the given magentic field move?

• to the right

• to the left

• up the page

• down the page

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

If EMR with a frequency of 3.45 x 10¹⁵ Hz is directed at a metallic surface with a work function of 2.31 eV, the maximum kinetic energy of the emitted photoelectrons is

• 3.70 x 10^-19 J
• 1.92 x 10^-18 J
• 14.0 eV
• 18.0 eV

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

The index of refraction of water is 1.33 and the index of refraction of glass is 1.55. What is the critical angle between the water/glass interface?

• 40.2
• 48.8
• 59.1
• 90.0

A convex mirror with a focal length of 5.00 cm produced an image for an object located 15.0 cm from the mirror. What is the distance from the image to the mirror and the magnification of the image?

• 3.8 cm, -0.250
• 3.8 cm, 0.250
• 7.5 cm, 4.00
• 7.5 cm, -4.00