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Physical quantities are
- a)quantities such as degrees, radians and steradians
- b)quantities such as pounds, dollars and rupees
- c)quantities such as kilos, pounds and gallons
- d)quantities such as length, mass, time, electric current, thermodynamic temperature, amount of substance, and luminous intensity
Correct answer is option 'D'. Can you explain this answer?
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Physical quantities area)quantities such as degrees, radians and stera...
A physical quantity is a quantity in physics that can be measured. Or a physical quantity is a physical property that can be quantified. Examples of physical quantities are mass, amount of substance, length, time, temperature, electric current, light intensity, force, velocity, density, and many others.
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Physical quantities area)quantities such as degrees, radians and stera...
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Physical quantities area)quantities such as degrees, radians and stera...
Physical quantities are quantities that can be measured and expressed in numerical terms. They are classified into different categories based on their nature and characteristics. The correct option is 'D', which includes physical quantities such as length, mass, time, electric current, thermodynamic temperature, amount of substance, and luminous intensity. Let's discuss each of these quantities in detail:
1. Length:
- Length is a fundamental physical quantity that measures the extent of an object or the distance between two points.
- It is commonly measured in units such as meters (m), centimeters (cm), and kilometers (km).
2. Mass:
- Mass is a measure of the amount of matter present in an object.
- It is an intrinsic property of matter and remains constant regardless of the location.
- Mass is typically measured in units such as kilograms (kg) and grams (g).
3. Time:
- Time is a fundamental physical quantity that measures the sequence and duration of events.
- It plays a crucial role in various branches of science and is commonly measured in units such as seconds (s), minutes (min), and hours (h).
4. Electric current:
- Electric current is the flow of electric charge through a conductor.
- It is an important quantity in the field of electrical engineering and is measured in units called amperes (A).
5. Thermodynamic temperature:
- Thermodynamic temperature is a measure of the average kinetic energy of the particles in a substance.
- It is commonly measured in units such as Kelvin (K) and Celsius (°C).
6. Amount of substance:
- Amount of substance is a measure of the number of particles (atoms, molecules, or ions) in a sample.
- It is measured in units called moles (mol).
7. Luminous intensity:
- Luminous intensity is a measure of the power emitted by a light source in a particular direction.
- It is commonly measured in units called candela (cd).
These physical quantities are fundamental and play a crucial role in describing the properties and behavior of various objects and phenomena. They form the basis of many scientific theories and principles and are extensively used in various branches of science, engineering, and everyday life.
1. Length:
- Length is a fundamental physical quantity that measures the extent of an object or the distance between two points.
- It is commonly measured in units such as meters (m), centimeters (cm), and kilometers (km).
2. Mass:
- Mass is a measure of the amount of matter present in an object.
- It is an intrinsic property of matter and remains constant regardless of the location.
- Mass is typically measured in units such as kilograms (kg) and grams (g).
3. Time:
- Time is a fundamental physical quantity that measures the sequence and duration of events.
- It plays a crucial role in various branches of science and is commonly measured in units such as seconds (s), minutes (min), and hours (h).
4. Electric current:
- Electric current is the flow of electric charge through a conductor.
- It is an important quantity in the field of electrical engineering and is measured in units called amperes (A).
5. Thermodynamic temperature:
- Thermodynamic temperature is a measure of the average kinetic energy of the particles in a substance.
- It is commonly measured in units such as Kelvin (K) and Celsius (°C).
6. Amount of substance:
- Amount of substance is a measure of the number of particles (atoms, molecules, or ions) in a sample.
- It is measured in units called moles (mol).
7. Luminous intensity:
- Luminous intensity is a measure of the power emitted by a light source in a particular direction.
- It is commonly measured in units called candela (cd).
These physical quantities are fundamental and play a crucial role in describing the properties and behavior of various objects and phenomena. They form the basis of many scientific theories and principles and are extensively used in various branches of science, engineering, and everyday life.
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Physical quantities area)quantities such as degrees, radians and steradiansb)quantities such as pounds, dollars and rupeesc)quantities such as kilos, pounds and gallonsd)quantities such as length, mass, time, electric current, thermodynamic temperature, amount of substance, and luminous intensityCorrect answer is option 'D'. Can you explain this answer?
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Physical quantities area)quantities such as degrees, radians and steradiansb)quantities such as pounds, dollars and rupeesc)quantities such as kilos, pounds and gallonsd)quantities such as length, mass, time, electric current, thermodynamic temperature, amount of substance, and luminous intensityCorrect answer is option 'D'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Physical quantities area)quantities such as degrees, radians and steradiansb)quantities such as pounds, dollars and rupeesc)quantities such as kilos, pounds and gallonsd)quantities such as length, mass, time, electric current, thermodynamic temperature, amount of substance, and luminous intensityCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Physical quantities area)quantities such as degrees, radians and steradiansb)quantities such as pounds, dollars and rupeesc)quantities such as kilos, pounds and gallonsd)quantities such as length, mass, time, electric current, thermodynamic temperature, amount of substance, and luminous intensityCorrect answer is option 'D'. Can you explain this answer?.
Physical quantities area)quantities such as degrees, radians and steradiansb)quantities such as pounds, dollars and rupeesc)quantities such as kilos, pounds and gallonsd)quantities such as length, mass, time, electric current, thermodynamic temperature, amount of substance, and luminous intensityCorrect answer is option 'D'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Physical quantities area)quantities such as degrees, radians and steradiansb)quantities such as pounds, dollars and rupeesc)quantities such as kilos, pounds and gallonsd)quantities such as length, mass, time, electric current, thermodynamic temperature, amount of substance, and luminous intensityCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Physical quantities area)quantities such as degrees, radians and steradiansb)quantities such as pounds, dollars and rupeesc)quantities such as kilos, pounds and gallonsd)quantities such as length, mass, time, electric current, thermodynamic temperature, amount of substance, and luminous intensityCorrect answer is option 'D'. Can you explain this answer?.
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