Second Quarter Online Assessment Part 2

What is the frequency range of infrared radiation?

• 3x109 Hz - 3x1011 Hz

• 3x1011 Hz - 4x1014 Hz

• 3 x 1014 Hz - 3 x 1015 Hz

• 3 x 1016 Hz - 3 x 1019 Hz

A visible light has a frequency of 6.3 x 1014 Hz. What is the color of light?

• blue

• green

• red

• yellow

Which among the following EM waves has the HIGHEST frequency among others?

• infrared

• microwave

• ultraviolet

• x - ray

Which of the following EM waves has the LEAST amount of energy?

• gamma ray

• microwave

• radio wave

• x-ray

Which of the following statement is CORRECT?

• Gamma ray has the highest frequency and the highest energy.

• Gamma ray has the highest frequency but has the least energy.

• Radio wave has the highest frequency and the highest energy.

• Radio wave has the lowest frequency but has the highest energy.

Look at the picture below, Choose your answer carefully. Electromagnetic wave corresponding to the letters on the picture. What is the name of EM waves of letter A & E?

• Radio wave

• gamma ray

• microwave

• ultraviolet

• infrared

Identify the picture below, It has a long wavelenght capable to transmit sound and picture information over long distances.

Identify the picture below, It was used to determine the range, angle or velocity of objects. It can be used to detect aircraft, ships and the like.

Identify the picture below, It is used to show the temperature variation of the body.

Identify the picture below, It helps enables us to see things around us. What do you called this device?