Question

Items 21 to 30 consist of incomplete sentences. Write the correct word (s) in the spaces
provided to complete each of the sentences
21. A statement which the scientist makes, and which he or she must test before it can be
accepted as fact is known as …………………………………………………….…
22. a theory describing objects moving at any speed even speeds approaching the speed of light
is known as …………………………………………………………………
23. A specially designed thermometer for the measurement of temperatures of patients in the
hospitals is known as………………………………………… ……
24. The systematic study of motion using distance, speed, time and acceleration is known as in the field
of physics is known as…………………………………………………… ……………
25. A boy pushes a stationary car. The car moves reluctantly. This is partly because the car has
…………………………………………………………………………………
26. The change of velocity with time is known as ……………………………..…
27. The force per unit area is known as …………………………………………
28. The human eye is sensitive to electromagnetic waves in a certain narrow frequency range
waves called …………………………………………………………….………
29. An electromagnetic waves with wavelengths in the approximate range from 100 to 0.1 angstrom units
is known as……………………..………………………………………………………
30. The distance between two successive crests in wave motion is called the……………………………..
For items 31 to 40, indicate whether each of the following statements is ‘’True’’ or
‘’False’’. Each question carries one mark
31. Physics is the most fundamental physical science.
A. False
B. True
32. A physicist is an inventor or technician.
A. False
B. True

Answer 1

21.Hypothesis

22.Einstein's theory of special relativity

23.medical thermometer

24.Kinematics

25.Inertia

26.Acceleration

27.Pressure

28.Visible spectrum

29.X - rays

30.wavelength

31.True

32.False