Everyday Science MCQs

5120 MCQs  (Page 465 of 512)

The frequency of ultrasound wave is typically?
A. Above 20 khz
B. Above 20,000 khz
C. Below 20 khz
D. Below 02 khz
Farad is the unit of___________?
A. Inductance
B. Voltage
C. Capacitance
D. None of these
Which of the following phenomena of light are involved in the formation of a rainbow?
A. Refraction
B. Dispersion
C. Total internal reflection
D. All of the above
Which is the New & Most Important Culprit damaging the ozone Layer?
A. Carbon dioxide
B. Chlorofluoro carbons
C. Nitrous oxide
D. Carbon monoxide
Pluto is known as dwarf planet because which of the following reason/s:
A. It has negligible mass
B. It has not nearly round shaped
C. It does not have always same neighbouring planet
D. all of the above
Which of the following is more Basic in nature?
A. Ammonia
B. 1°alkyl ammine
C. 2° alkyl ammine
D. 3° alkyl ammine