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Matter and Energy MCQ

Matter and Energy

1. _________________ is the movement of an object or a change in its physical structure.

Work

Hydrolysis reaction

Double covalent bond

Bases

Answer

Correct Answer: Work

Note: This Question is unanswered, help us to find answer for this one

2. The source of most of the energy we use today is _____.

Fossil fuels

Geothermal

Nuclear

Biomass

Answer

Correct Answer: Fossil fuels

Note: This Question is unanswered, help us to find answer for this one

3. The energy of 3600 cal is equal to ________ kj. | Hint; 1cal = 4.184 J kJ

0.86

3.6

4.184

15000

Answer

Correct Answer: 15

Note: This Question is unanswered, help us to find answer for this one

4. The emission of light has most to do with the behavior of _________.

Electrons

Neutron

Proton

None of these

Answer

Correct Answer: Electrons

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5. Moving through trophic levels _______.

Effectively conserve and retain water

More producers than consumers

Photosynthesis

Protozoa

Answer

Correct Answer: Effectively conserve and retain water

Note: This Question is unanswered, help us to find answer for this one

6. ________ have the highest velocities.

Primary waves

Secondary waves

Surface waves

Refracted S wave

Answer

Correct Answer: Primary waves

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7. Velocity differs from speed in that velocity indicates a particle's __________ of motion

Direction

Vector

Magnitude

Answer

Correct Answer: Direction

Note: This Question is unanswered, help us to find answer for this one

8. If quantity x is conserved for a certain system and during a certain process, that means__________.

Quantity X for that system does not change in any way during that process

Electron transitions within the molecule

Changes in molecular rotation

Changes in molecular vibration

Answer

Correct Answer: Quantity X for that system does not change in any way during that process

Note: This Question is unanswered, help us to find answer for this one

9. Average body temperature is ________ degrees centigrade.

Answer

Correct Answer: 37

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10. Kinetic energy is energy in motion. potential energy is _____ energy.

Stored

Temperature

More complex

Louder

Answer

Correct Answer: Stored

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11. The total energy in a molecule, its enthalpy, is given by the letter ____.

Answer

Correct Answer: H

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12. Small objects denser than water can float on its surface because water has high _____.

Cohesion

Adhesion

Surface tension

Answer

Correct Answer: Surface tension

Note: This Question is unanswered, help us to find answer for this one

13. When a radioactive isotope decays by electron capture, the electron ________.

Combines with a proton in the nucleus

Combines with neutronin the nucleus

Combines with a proton outside the nucleus

Ombines with a neutron outside the nucleus

Answer

Correct Answer: Combines with a proton in the nucleus

Note: This Question is unanswered, help us to find answer for this one

14. Infrared radiation has a longer wavelength, frequency, and energy than visible light.

Lower, lower

Higher, lower

Lower, higher

Higher, higher

Answer

Correct Answer: Higher, lower

Note: This Question is unanswered, help us to find answer for this one

15. Particle accelerators make it possible for scientists to study _____.

Gravity

Electricity

Quarks

All of the above

Answer

Correct Answer: Quarks

Note: This Question is unanswered, help us to find answer for this one

16. When you burn a log in your fireplace you are converting ________.

Chemical to thermal (heat) energy

Thermal to electromagnetic energy

Electromagnetic to chemical

Chemical to nuclear energy

Answer

Correct Answer: Chemical to thermal (heat) energy

Note: This Question is unanswered, help us to find answer for this one

17. The kinetic energy of a 23.2-g object moving at a speed of 81.9 km/hr is __________ kcal.

1900

77.8

145

1.43 x 10-3

6.00

Answer

Correct Answer: 1.43 x 10-3

Note: This Question is unanswered, help us to find answer for this one

Physics MCQs | Topic-wise

MCQ on Acoustics	MCQ on Electric Potential
MCQ on Electromagnetism	MCQ on Fluid Dynamics
MCQ on General Physics	MCQ on Matter and Energy
MCQ on Mechanics	MCQ on Optical Physics
MCQ on Particle Physics	MCQ on Wave and Light
General Physics MCQs

Matter and Energy MCQ

1. _________________ is the movement of an object or a change in its physical structure.

2. The source of most of the energy we use today is _____.

3. The energy of 3600 cal is equal to ________ kj. | Hint; 1cal = 4.184 J kJ

4. The emission of light has most to do with the behavior of _________.

5. Moving through trophic levels _______.

6. ________ have the highest velocities.

7. Velocity differs from speed in that velocity indicates a particle's __________ of motion

8. If quantity x is conserved for a certain system and during a certain process, that means__________.

9. Average body temperature is ________ degrees centigrade.

10. Kinetic energy is energy in motion. potential energy is _____ energy.

11. The total energy in a molecule, its enthalpy, is given by the letter ____.

12. Small objects denser than water can float on its surface because water has high _____.

13. When a radioactive isotope decays by electron capture, the electron ________.

14. Infrared radiation has a longer wavelength, ____ frequency, and ____ energy than visible light.

15. Particle accelerators make it possible for scientists to study _____.

16. When you burn a log in your fireplace you are converting ________.

17. The kinetic energy of a 23.2-g object moving at a speed of 81.9 km/hr is __________ kcal.

14. Infrared radiation has a longer wavelength, frequency, and energy than visible light.