- ARefraction
- BReflection
- CDiffraction
- DScattering
Tamil Nadu State board (Class 10) - Quiz
- AConvex lens
- BConcave lens
- CPlano-convex lens
- DPlano-concave lens
- AN
- BN/m
- CNm
- Dkg/m
- ACentripetal acceleration
- BAngular acceleration
- CGravitational acceleration
- DAcceleration due to gravity
- A Study of mechanical waves in gases, liquids, and solids
- B Exploration of electromagnetic waves in various mediums
- C Investigation of chemical reactions in sound production
- D Examination of gravitational waves in celestial bodies
- A Architecture
- B Agriculture
- C Anthropology
- D Archaeology
- A Medicine and healthcare
- B Environmental conservation
- C Social sciences and psychology
- D Sports and recreation
- A Galileo Galilei and Isaac Newton
- B Pythagoras and Abū Rayhān al-Bīrūnī
- CMarin Mersenne and Isaac Newton
- D Galileo Galilei and Marin Mersenne
- A Galileo Galilei
- B Pythagoras
- CMarin Mersenne
- D Abū Rayhān al-Bīrūnī
- A The Ancient Greek era
- B The Renaissance period
- CThe Scientific Revolution
- D The Islamic golden age
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🟢 Correct Answers: 🔴 Wrong Answers:
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Quiz Analytics
Tamil Nadu State board (Class 10) - Quiz
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Time Taken: Questions: Answered: Not Answered:
Correct Answer:
Wrong Answer:
Percentage: %
- A. Refraction
- B. Reflection
- C. Diffraction
- D. Scattering
Remarks:
Explanation:
Answer: D) Scattering
- A. Convex lens
- B. Concave lens
- C. Plano-convex lens
- D. Plano-concave lens
Remarks:
Explanation:
Answer: A) Convex lens Explanation: A convex lens is used in magnifying glasses because it converges the light to create a magnified image.
- A. N
- B. N/m
- C. Nm
- D. kg/m
Remarks:
Explanation:
The unit of torque is newton metre (Nm) in the SI system and dyne cm in the CGS system.
- A. Centripetal acceleration
- B. Angular acceleration
- C. Gravitational acceleration
- D. Acceleration due to gravity
Remarks:
Explanation: The acceleration due to the gravitational force of the Earth is called the acceleration due to gravity or simply g. Its mean value on the surface of the Earth is 9.8 m/s^2.
- A. Study of mechanical waves in gases, liquids, and solids
- B. Exploration of electromagnetic waves in various mediums
- C. Investigation of chemical reactions in sound production
- D. Examination of gravitational waves in celestial bodies
Remarks:
Explanation:
Acoustics is a branch of physics that primarily deals with the study of mechanical waves, including vibration, sound, ultrasound, and infrasound, in different mediums such as gases, liquids, and solids.
- A. Architecture
- B. Agriculture
- C. Anthropology
- D. Archaeology
Remarks:
Explanation:
Acoustics plays a vital role in architecture, particularly in designing spaces that optimize sound quality and facilitate effective communication. Understanding acoustics helps architects create environments where speech and other sounds are transmitted clearly and efficiently.
- A. Medicine and healthcare
- B. Environmental conservation
- C. Social sciences and psychology
- D. Sports and recreation
Remarks:
Explanation:
Acoustics and technology intersect in various fields, with medicine and healthcare being one prominent area. Acoustic technologies are used in medical imaging, diagnostic procedures, hearing aids, and therapeutic applications, enhancing patient care and improving health outcomes.
- A. Galileo Galilei and Isaac Newton
- B. Pythagoras and Abū Rayhān al-Bīrūnī
- C. Marin Mersenne and Isaac Newton
- D. Galileo Galilei and Marin Mersenne
Remarks:
Explanation:
Galileo Galilei and Marin Mersenne independently discovered the complete laws of vibrating strings during the Scientific Revolution. Their findings built upon the earlier work of Pythagoras and the Pythagoreans.
- A. Galileo Galilei
- B. Pythagoras
- C. Marin Mersenne
- D. Abū Rayhān al-Bīrūnī
Remarks:
Explanation:
Pythagoras described the ascending seats in ancient theaters as a measure to prevent sound deterioration. His understanding of acoustics influenced theater design during that time.
- A. The Ancient Greek era
- B. The Renaissance period
- C. The Scientific Revolution
- D. The Islamic golden age
Remarks:
Explanation:
The Scientific Revolution witnessed a rapid advancement in the understanding of acoustical processes, especially concerning vibrating strings and wave velocity in solids. Scientists like Galileo Galilei and Isaac Newton made significant contributions during this period.