PS Semester 2 Exam Quizziz

What type of radiation would your cellphone have?

• Radio
• Microwave
• Infrared
• Gamma

Light slows down when passing from 

• air into water
• water into air
• water into solid
• solid into air

Which wave type does not need a medium?

• sound
• electromagnetic

Which color will be warmer?

• white
• black
• none of the colors
• all the colors

Which of the following is the main difference between the types of radiation?

• wavelength
• amplitude
• temperature
• chemical make up

Cell phones and televisions use this type of EM wave.  It has the longest wavelength with the lowest frequency.

• radio wave
• tv wave
• Gamma wave
• ultra violet

Which part of the electromagnetic spectrum has high enough energy to cause damage to eyes and skin, and sometimes even cancer? 

• infrared light
• visible light
• ultraviolet light
• microwaves

Which of the following electromagnetic waves is given off as heat? 

• ultraviolet light
• x-rays
• gamma rays
• infrared rays

What type of wave behavior is pictured above?

• Refraction
• Reflection
• Absorption
• Diffraction

What is happening in the picture?

• refraction
• reflection
• absorbtion