What is the unit of measurement for sound intensity?
A. Decibel (dB)
B. Hertz (Hz)
C. Watt (W)
D. Joule (J)
Show Answer…Correct Answer: A) Decibel (dB)
» Read More…
What is the unit of measurement for sound intensity?
Show Answer…
How does water affect the transmission of sound through air?
A. Amplifies the sound
B. Muffles the sound
C. Redirects the sound
D. Has no effect on the sound
Correct Answer: B. Muffles the sound
» Read More…
In which country is the Golden Gate Bridge located?
A. USA
B. Canada
C. Mexico
D. Brazil
Correct answer: A. USA
» Read More…
Where did the RMS Titanic sink?
A. Atlantic Ocean
B. Pacific Ocean
C. Indian Ocean
D. Arctic Ocean
Correct Answer: A. Atlantic Ocean
» Read More…
A doctor performs his duty for 480 minutes daily. How many hours does he work daily?
A. 2 hours
B. 4 hours
C. 6 hours
D. 8 hours
Correct Answer: 8 hours
» Read More…
What is the name of the transparent, curved structure in the eye that helps to focus light?
A. Cornea
B. Retina
C. Lens
D. Optic nerve
Correct Answer: C. Lens
» Read More…
What is the name of the transparent part of the eye that is located behind the lens and helps to focus light onto the retina?
A. Vitreous humor
B. Aqueous humor
C. Retina
D. Crystalline lens
Correct Answer: B. Aqueous humor
» Read More…
- Go to the previous page
- 1
- …
- 157
- 158
- 159
- 160
- 161
- 162
- 163
- …
- 170
- Go to the next page