1. Which lens type is thicker in the middle than at the edges?
A)Concave
B)Convex
C)Cylindrical
D)Flat
2. What optical device separates white light into a spectrum of colors?
A)Fiber optic
B)Prism
C)Lens
D)Mirror
3. Which type of telescope uses mirrors to focus light?
A)Compound
B)Reflecting
C)Refracting
D)Binocular
4. What happens when light passes from air into a glass prism?
A)Refraction
B)Absorption
C)Diffraction
D)Reflection
5. Which lens is used to correct nearsightedness?
A)Bifocal
B)Plano
C)Concave
D)Convex
6. A magnifying glass is an example of what type of lens?
A)Concave
B)Diverging
C)Convex
D)Plane
7. What part of a telescope gathers incoming light?
A)Filter
B)Stand
C)Eyepiece
D)Objective
8. Which color of light bends the most when passing through a prism?
A)Green
B)Red
C)Yellow
D)Violet
9. What is the primary function of a lens?
A)Scattering
B)Transmission
C)Reflection
D)Refraction
10. Which type of telescope uses glass lenses to collect light?
A)Refracting
B)Radio
C)Reflecting
D)X-ray
11. What is the point where light rays converge after passing through a lens?
A)Focal point
B)Center
C)Radius
D)Apex
12. Which optical instrument is used to see very distant objects?
A)Periscope
B)Camera
C)Microscope
D)Telescope
13. What do we call the bending of light as it changes medium?
A)Refraction
B)Reflection
C)Dispersion
D)Polarization
14. Which lens produces a virtual image that is smaller than the object?
A)Converging
B)Convex
C)Magnifying
D)Concave
15. In a prism, which color is found at the top of the spectrum?
A)Green
B)Blue
C)Violet
D)Red
16. Which law states that energy cannot be created or destroyed?
A)First Law
B)Zeroth Law
C)Third Law
D)Second Law
17. What term refers to the measure of disorder in a system?
A)Enthalpy
B)Temperature
C)Entropy
D)Energy
18. According to the Second Law, in which direction does entropy change?
A)Becomes zero
B)Stays constant
C)Increases
D)Decreases
19. What is the theoretical end state of the universe called?
A)Black hole
B)Heat death
C)Big Bang
D)Supernova
20. Which law deals with absolute zero?
A)First
B)Third
C)Zeroth
D)Second
21. Heat naturally flows from a body of higher temperature to what?
A)Higher pressure
B)Same temperature
C)Vacuum
D)Lower temperature
22. What is the Zeroth Law of thermodynamics mainly about?
A)Temperature equilibrium
B)Entropy
C)Pressure
D)Energy
23. Can a heat engine be 100% efficient?
A)Only at high speed
B)No
C)Only in theory
D)Yes
24. What happens to entropy in an isolated system over time?
A)Increases
B)Vanishes
C)Fluctuates
D)Decreases
25. The total energy of the universe is constant is stated by which law?
A)Fourth
B)Third
C)Second
D)First
26. What is the state of minimum entropy?
A)Plasma state
B)Boiling point
C)Absolute zero
D)Room temperature
27. What does the Second Law of Thermodynamics imply about universe processes?
A)Reversibility
B)Stability
C)Irreversibility
D)Growth
28. What is required to move heat from a cold body to a hot body?
A)Entropy
B)Vacuum
C)External work
D)Gravity
29. What is the 'heat death' of the universe?
A)Total darkness
B)Uniform temperature
C)Expansion stop
D)Extreme heat
30. Which law is related to the definition of temperature?
A)Zeroth
B)First
C)Third
D)Second
31. What is the freezing point of water on the Celsius scale?
32. Which temperature scale starts at absolute zero?
A)Rankine
B)Kelvin
C)Fahrenheit
D)Celsius
33. What is the boiling point of water in Celsius?
34. On which scale is water's freezing point 32 degrees?
A)Fahrenheit
B)Kelvin
C)Celsius
D)Rankine
35. What instrument is used to measure temperature?
A)Hydrometer
B)Manometer
C)Thermometer
D)Barometer
36. What is 0 degrees Celsius in Kelvin?
37. Which scale is commonly used for weather in the USA?
A)Kelvin
B)Metric
C)Celsius
D)Fahrenheit
38. What is the boiling point of water in Fahrenheit?
39. What is the base unit of temperature in the SI system?
A)Degree
B)Kelvin
C)Celsius
D)Fahrenheit
40. Which substance was commonly used in old thermometers?
A)Mercury
B)Gold
C)Water
D)Oil
Answer Key
1-B
2-B
3-B
4-A
5-C
6-C
7-D
8-D
9-D
10-A
11-A
12-D
13-A
14-D
15-D
16-A
17-C
18-C
19-B
20-B
21-D
22-A
23-B
24-A
25-D
26-C
27-C
28-C
29-B
30-A
31-C
32-B
33-C
34-A
35-C
36-A
37-D
38-A
39-B
40-A