161.The vernier calipers is
used to measure
A. Length
B. Time
C. Temperature
D. Viscority
162.Atomic clock is used to
measure ________ intervals of time.
A. Very short
B. Short
C. Very long
D. Long
163.1 tonne = ________ kg
A. 100
B. 400
C. 1000
D. 4000
164.An instrument used to
measure atmospheric pressure is
A. Ammeter
B. Manometer
C. Galvanometer
D. Barometer
165.An instrument used to
measure gas pressure is
A. Ammeter
B. Manometer
C. Galvanometer
D. Barometer
166.Which electromagnetic
wave has the longest wavelength?
A. Gamma rays
B. X-rays
C. Microwaves
D. Radio waves
167.Which electromagnetic
wave has the shortest wavelength?
A. Gamma rays
B. X-rays
C. Microwaves
D. Radio waves
168.All electromagnetic waves
have the same
A. Frequency
B. Amplitude
C. Wavelength in vaccum
D. Speed in vaccum
169.The reflection of sound
is called
A. Frequency
B. Vibration
C. Echo
D. Wave
170.An instrument used to
measure electric current is called
A. Ammeter
B. Barometer
C. Galvanometer
D. Manometer
ANSWERS:
161.A
162.A
163.C
164.D
165.B
166.D
167.A
168.D
169.C
No comments:
Post a Comment