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Questions and Answers
In the CGS system, if the magnitude of force is 100 dynes, what is the magnitude of the force in a system where the fundamental physical quantities are kilogram, meter, and minute?
In the CGS system, if the magnitude of force is 100 dynes, what is the magnitude of the force in a system where the fundamental physical quantities are kilogram, meter, and minute?
- 3.6
- 0.36 (correct)
- 0.036
- 36
What are the dimensions of the physical quantities α and β mentioned in the given question?
What are the dimensions of the physical quantities α and β mentioned in the given question?
- ML–2T–2, ML–1/3
- M2L4T–2, M1/3L–1
- M2L–2T–2, M1/3L–1 (correct)
- M2L–2T–2, ML–3
If [xy] = [z], then which of the following is a meaningful expression?
If [xy] = [z], then which of the following is a meaningful expression?
- z - y / z
- x - z / y
- [angle] = 2
- xy - z / 2 (correct)
What is the distance traveled by a body that moves uniformly in a time of (4.0 ± 0.3) s?
What is the distance traveled by a body that moves uniformly in a time of (4.0 ± 0.3) s?
What is the time taken for a body to travel a distance of (13.8 ± 0.2) m?
What is the time taken for a body to travel a distance of (13.8 ± 0.2) m?
If x, y, and z are physical quantities and [xy] = [z], what does this equation suggest?
If x, y, and z are physical quantities and [xy] = [z], what does this equation suggest?
The velocity of the body within error limits is most likely to be?
The velocity of the body within error limits is most likely to be?
According to the given statement, which best describes the relationship between parallactic angle and the parallax method?
According to the given statement, which best describes the relationship between parallactic angle and the parallax method?
Which statement about the equation of the stationary wave is not true?
Which statement about the equation of the stationary wave is not true?
What are the dimensions of v0 and α respectively in the given relation?
What are the dimensions of v0 and α respectively in the given relation?
What are the values of p, q, and r in the dependence of wavelength on mass, velocity, and Planck's constant?
What are the values of p, q, and r in the dependence of wavelength on mass, velocity, and Planck's constant?
In the period of oscillation of a gas bubble under water, what are the proportionalities of a, b, and c in PadbEc?
In the period of oscillation of a gas bubble under water, what are the proportionalities of a, b, and c in PadbEc?
If refractive index µ is given as µ = A + Bv² (where v = speed of light in medium), then the dimensions of B are same as that of which physical quantity?
If refractive index µ is given as µ = A + Bv² (where v = speed of light in medium), then the dimensions of B are same as that of which physical quantity?
According to the area of significant figures, what is the volume of a block with length l = 12 cm, breadth b = 6 cm, and thickness t = 2.45 cm?
According to the area of significant figures, what is the volume of a block with length l = 12 cm, breadth b = 6 cm, and thickness t = 2.45 cm?
If the mass and volume of a body are found to be 5.00 ± 0.05 kg and 1.00 ± 0.05 m³ respectively, what is the maximum possible percentage error in its density?
If the mass and volume of a body are found to be 5.00 ± 0.05 kg and 1.00 ± 0.05 m³ respectively, what is the maximum possible percentage error in its density?
