AP EAMCET · PHYSICS · Units and Dimensions
The density of a substance is \(4 \mathrm{~g} / \mathrm{cc}\) in a system in which unit of length is \(5 \mathrm{~cm}\) and unit of mass is \(20 \mathrm{~g}\). The density of the substance in CGS system is
- A 16 units
- B 40 units
- C 25 units
- D 50 units
Answer & Solution
Correct Answer
(C) 25 units
Step-by-step Solution
Detailed explanation
Density of substance, \(\rho=4 \mathrm{~g} / \mathrm{cc}\) Unit of length, \(\mathrm{L}=5 \mathrm{~cm}\) Unit of mass, \(M=20 \mathrm{~g}\) density of substance in \(\mathrm{CGS}_7\)…
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from PHYSICS
- To have the output \(\mathrm{Y}=1\), the possible combinations of inputs are
a) \(A=0, B=1\)
b) \(\mathrm{A}=1, \mathrm{~B}=0\)
c) \(\mathrm{A}=0, \mathrm{~B}=0\)
d) \(\mathrm{A}=1, \mathrm{~B}=1\)
AP EAMCET 2017 Easy - If a charged particle enters a uniform magnetic field normally with certain velocity, then the time period of revolution of the particleAP EAMCET 2025 Easy
- A \(100 \mu \mathrm{F}\) capacitor is connected to a \(100 \mathrm{~V}\), \(50 \mathrm{~Hz}\) AC supply. The rms value of the current isAP EAMCET 2022 Easy
- Inner shell electrons in atoms moving from one energy level to another lower energy level produceAP EAMCET 2024 Easy
- An alpha particle of energy \(\mathrm{K} \mathrm{MeV}\) is moving towards a nucleus of atomic number \(\mathrm{Z}\). The distance of closest approach of the alpha particle to the nucleus in metres isAP EAMCET 2023 Hard
- The magnetic field at the centre of a long solenoid having 400 turns per unit length and carrying a current ' \(i\) ' is \(6.24 \times 10^{-2} \mathrm{~T}\). The magnetic field at the centre of another long solenoid having 200 turns per unit length and carrying a current \(\frac{' i^{\prime}}{2}\) isAP EAMCET 2025 Medium
More PYQs from AP EAMCET
- A cell of emf 1.2 V and internal resistance \(2 \Omega\) is connected in parallel to another cell of emf 1.5 V and internal resistance \(1 \Omega\). If the like poles of the cells are connected together, the emf of the combination of the two cells isAP EAMCET 2024 Easy
- If the centroid of a triangle with vertices \((4, p,-3),(-1,-1,2)\) and \((3,5,-8)\) is given by mid-point of \((1,4,-2)\) and \((q, 2,-4)\), then \(p^2+q^2=\)AP EAMCET 2022 Easy
- If the latus rectum subtends a right angle at center of the hyperbola, then its eccentricity isAP EAMCET 2021 Medium
- The probability of choosing randomly a number \(c\) from the set \(\{1,2,3, \ldots, 9\}\) such that the quadratic equation \(x^2+4 x+c=0\) has real roots isAP EAMCET 2009 Easy
- \(\sum_{k=0}^4 \sin ^2(2 k+1) \frac{\pi}{20}=\)AP EAMCET 2023 Medium
- \(\int\left[(\log 2 x)^2+2 \log 2 x\right] d x=\)AP EAMCET 2024 Easy