RIO SALADO PHYSICS 112 MIDTERM TEST
BANK 2026 AUTHENTIC QUESTIONS
ANSWERS FULL SOLUTION PACK GRADED
A+
⩥ The reason why humans cannot see infrared waves is because
A) the waves are too short for human eyes to detect.
B) the waves are too long for human eyes to detect.
C) the waves are too fast for human eyes to detect.
D) human eyes cannot detect electromagnetic waves.
Answer: B) the waves are too long for human eyes to detect.
⩥ The speed of an electromagnetic wave depends on
A) its frequency of wave oscillations.
B) its wavelength.
,C) both of the above.
D) none of the above.
Answer: D) none of the above.
⩥ 1. Which of the following statements regarding radio waves and
sound waves is accurate?
A. Sound waves are transverse waves.
B. Sound waves and radio waves travel at approximately the same
speed.
C. Neither sound waves nor radio waves can travel through water.
D. None of the above statements are accurate.
Answer: Answer: D. None of the above statements are accurate.
⩥ 2. A maximum peak in an oscillating magnetic field occurs at some
time t. At the same time t, the electric field will experience:
A. a maximum peak.
B. a minimum peak.
C. a zero strength field.
D. none of the above.
Answer: Answer: C. a zero strength field.
, ⩥ 3. What is the peak magnetic field strength of an EM wave if the peak
electric field strength is 3500 N/C?
A. 3500 T
B. 1.2×10^−5 T
C. 8.5×10^4 T
D. None of the above
Answer: Bpeak=3500/3*10^8
Answer: B. 1.2×10^−5 T
⩥ 4. Wave intensity is defined as the:
A. energy a wave delivers to a certain area.
B. rate of energy delivered to a certain area.
C. amplitude of an electromagnetic wave at a certain area.
D. field strength of an electromagnetic wave at a certain area.
Answer: Answer: B. rate of energy delivered to a certain area.
⩥ 5. Current is moving to the right through the wire shown below. A
stationary wire loop is located at a position below the wire. Which of the
following statements is accurate?
A. The loop is experiencing a clockwise-induced current.
B. The loop is experiencing a counterclockwise-induced current.
C. The loop is not experiencing an induced current, but moving the loop
up or down will induce a current.
BANK 2026 AUTHENTIC QUESTIONS
ANSWERS FULL SOLUTION PACK GRADED
A+
⩥ The reason why humans cannot see infrared waves is because
A) the waves are too short for human eyes to detect.
B) the waves are too long for human eyes to detect.
C) the waves are too fast for human eyes to detect.
D) human eyes cannot detect electromagnetic waves.
Answer: B) the waves are too long for human eyes to detect.
⩥ The speed of an electromagnetic wave depends on
A) its frequency of wave oscillations.
B) its wavelength.
,C) both of the above.
D) none of the above.
Answer: D) none of the above.
⩥ 1. Which of the following statements regarding radio waves and
sound waves is accurate?
A. Sound waves are transverse waves.
B. Sound waves and radio waves travel at approximately the same
speed.
C. Neither sound waves nor radio waves can travel through water.
D. None of the above statements are accurate.
Answer: Answer: D. None of the above statements are accurate.
⩥ 2. A maximum peak in an oscillating magnetic field occurs at some
time t. At the same time t, the electric field will experience:
A. a maximum peak.
B. a minimum peak.
C. a zero strength field.
D. none of the above.
Answer: Answer: C. a zero strength field.
, ⩥ 3. What is the peak magnetic field strength of an EM wave if the peak
electric field strength is 3500 N/C?
A. 3500 T
B. 1.2×10^−5 T
C. 8.5×10^4 T
D. None of the above
Answer: Bpeak=3500/3*10^8
Answer: B. 1.2×10^−5 T
⩥ 4. Wave intensity is defined as the:
A. energy a wave delivers to a certain area.
B. rate of energy delivered to a certain area.
C. amplitude of an electromagnetic wave at a certain area.
D. field strength of an electromagnetic wave at a certain area.
Answer: Answer: B. rate of energy delivered to a certain area.
⩥ 5. Current is moving to the right through the wire shown below. A
stationary wire loop is located at a position below the wire. Which of the
following statements is accurate?
A. The loop is experiencing a clockwise-induced current.
B. The loop is experiencing a counterclockwise-induced current.
C. The loop is not experiencing an induced current, but moving the loop
up or down will induce a current.
