1. . Which of the following cannot be used as a unit for frequency?
(A) Hz
(B) S
(C) RPM
(D) BPM
2. . What will be the frequency of a system in which 35 events occur in 7 seconds?
(A) 5Hz
(B) 35Hz
(C) 7Hz
(D) 10Hz
3. . Which of the following device can be used for measurement of frequency?
(A) Stroboscope
(B) Ammeter
(C) Voltmeter
(D) None of the mentioned
4. . All waves in electromagnetic spectrum have the same speed in vacuum.
(A) True
(B) False
5. . In a dispersive medium, speed of light depends on frequency.
(A) True
(B) False
6. . In SI system the unit for speed is written as
(A) meter/sec
(B) Meter
(C) meter/hour
(D) km/sec
7. . An average speed is equal to the total distance which is travelled divided by the
(A) Speed limit
(B) Taken time
(C) Direction
(D) Area
8. . The types of frequency distribution are
(A) 4
(B) 3
(C) 5
(D) 2
9. . LED and laser emit radiation in ___________
(A) Narrow range
(B) Wide range
(C) Medium bandwidth
(D) Unpredictable bandwidth
10. . Which of the following can be affected by atmospheric path disturbances?
(A) Modern GPS surveying
(B) Conventional GPS
(C) Absolute positioning
(D) Resection method