- AThe degree of coldness of a body
- BThe degree of hotness of a body
- CThe weight of a body
- DThe volume of a body
Tamil Nadu State board (Class 10) - Quiz
- AThe bending of light as it passes through a medium
- BThe absorption of light by a medium
- CThe reflection of light by a medium
- DThe emission of light by a medium
- AThe angle of incidence is equal to the angle of reflection.
- BThe incident ray, the reflected ray, and the normal to the reflecting surface all lie in the same plane.
- CThe ratio of the sine of the angle of incidence to the sine of the angle of refraction is constant.
- DThe refractive index of a medium is dependent on the wavelength of light.
- AState of uniform motion
- BState of rest
- CState of violent motion
- DState of motion with constant acceleration
- AF = m(v – u)/t
- BF = mv – mu
- CF = m × a
- DF = k(mv – mu)/t
- ABody A moves in the opposite direction
- BBody B reacts with force FB on body A, which is equal to FA in magnitude and opposite in direction
- CBoth body A and B move in opposite directions
- DBoth body A and B move in the same direction
- A a large force acting for a short period of time
- Ba smaller force acting for a longer period of time
- Cboth A and B
- Dnone of the above
- AThe North Pole
- BThe South Pole
- CThe center of the Earth
- DThe center of the Moon
- A Roman civilization
- B Greek civilization
- C Egyptian civilization
- D Mayan civilization
- A Galileo Galilei
- B Pythagoras
- CMarin Mersenne
- D All of the above
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Tamil Nadu State board (Class 10) - Quiz
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- A. The degree of coldness of a body
- B. The degree of hotness of a body
- C. The weight of a body
- D. The volume of a body
Remarks:
Explanation:
Temperature is defined as the degree of hotness of a body.
- A. The bending of light as it passes through a medium
- B. The absorption of light by a medium
- C. The reflection of light by a medium
- D. The emission of light by a medium
Remarks:
Explanation:
Answer: A) The bending of light as it passes through a medium
- A. The angle of incidence is equal to the angle of reflection.
- B. The incident ray, the reflected ray, and the normal to the reflecting surface all lie in the same plane.
- C. The ratio of the sine of the angle of incidence to the sine of the angle of refraction is constant.
- D. The refractive index of a medium is dependent on the wavelength of light.
Remarks:
Explanation:
Answer: B) The incident ray, the refracted ray, and the normal to the refracting surface all lie in the same plane.
- A. State of uniform motion
- B. State of rest
- C. State of violent motion
- D. State of motion with constant acceleration
Remarks:
Explanation:
According to Aristotle, the natural state of earthly bodies is 'rest'.
- A. F = m(v – u)/t
- B. F = mv – mu
- C. F = m × a
- D. F = k(mv – mu)/t
Remarks:
Explanation:
According to Newton’s second law of motion, force is equal to the product of mass and acceleration, i.e., F = m × a.
- A. Body A moves in the opposite direction
- B. Body B reacts with force FB on body A, which is equal to FA in magnitude and opposite in direction
- C. Both body A and B move in opposite directions
- D. Both body A and B move in the same direction
Remarks:
Explanation: According to Newton's third law, for every action, there is an equal and opposite reaction. When a body A applies a force FA on a body B, body B reacts with force FB on body A, which is equal to FA in magnitude and opposite in direction.
- A. a large force acting for a short period of time
- B. a smaller force acting for a longer period of time
- C. both A and B
- D. none of the above
Remarks:
Explanation: Change in momentum can be achieved in two ways: a large force acting for a short period of time and a smaller force acting for a longer period of time.
- A. The North Pole
- B. The South Pole
- C. The center of the Earth
- D. The center of the Moon
Remarks:
Explanation: The direction of weight is always towards the center of the Earth.
- A. Roman civilization
- B. Greek civilization
- C. Egyptian civilization
- D. Mayan civilization
Remarks:
Explanation:
The Roman civilization is credited with applying principles of acoustics in their theater design. The theaters were designed in a way that prevented sound deterioration and enhanced the overall acoustic experience for the audience.
- A. Galileo Galilei
- B. Pythagoras
- C. Marin Mersenne
- D. All of the above
Remarks:
Explanation:
Galileo Galilei, Pythagoras, and Marin Mersenne all made significant contributions to the understanding of acoustical processes during the Scientific Revolution. Their findings expanded the knowledge of sound and waves.