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What are supplementary quantities in SI?
The two supplementary quantities are plane angle (radian) and solid angle (steradian). For more please visit here: https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/
The two supplementary quantities are plane angle (radian) and solid angle (steradian).
For more please visit here:
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What is a unit?
A unit is a standard quantity in terms of which other quantities are measured. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/
A unit is a standard quantity in terms of which other quantities are measured.
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State the least count of a screw gauge.
For a screw gauge, least count = Pitch/Number of divisions on the circular scale. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/
For a screw gauge, least count = Pitch/Number of divisions on the circular scale.
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What is the dimensional formula for power?
Dimensions of power = [𝑀^1𝐿^2𝑇^−3]. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/class-11/physics/chapter-1/
Dimensions of power = [𝑀^1𝐿^2𝑇^−3].
For more please visit here:
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A glass lens of refractive index 1.5 is placed in a trough of liquid. What must be the refractive index of the liquid in order to mark the lens disappear?
To make the glass lens disappear, the refractive index of the liquid must match that of the glass, i.e., 1.5. This eliminates refraction at the lens surface, making it optically invisible in the liquid. For more visit here: https://www.tiwariacademy.com/ncert-solutions/class-12/physics/chapter-9/
To make the glass lens disappear, the refractive index of the liquid must match that of the glass, i.e., 1.5. This eliminates refraction at the lens surface, making it optically invisible in the liquid.
For more visit here:
See lesshttps://www.tiwariacademy.com/ncert-solutions/class-12/physics/chapter-9/