>
Exams
>
Physics
>
Decay Rate
>
if n0 is the original mass of the substance of hal
Question:
If N0 is the original mass of the substance of half-life t 1/2 = 4 years then the amount of substance left after 12 years is :
CUET (UG) - 2022
CUET (UG)
Updated On:
Mar 27, 2026
N0/16
N0/4
N0/8
N0/2
Hide Solution
Verified By Collegedunia
The Correct Option is
C
Solution and Explanation
The correct answer is (C): N0/8
Download Solution in PDF
Was this answer helpful?
0
0
Top CUET Physics Questions
Find the ratio of de-Broglie wavelengths of deuteron having energy E and \(\alpha\)-particle having energy 2E :
CUET (UG) - 2026
Physics
Dual nature of radiation and matter
View Solution
A parallel plate capacitor having plate area 200 cm² and separation 2.0 mm holds a charge of 0.06 µC on applying a potential difference of 60 V. The dielectric constant of the material filled in between the plates is.
CUET (UG) - 2025
Physics
capacitor with a dielectric
View Solution
If the protons and electrons are the only basic charges in the universe, all the observable charges have to be integral multiples of e. Thus, if an object contains x electrons and y protons, the net charge on the object will be
CUET (UG) - 2025
Physics
Electric Charge
View Solution
A charge of magnitude \(3 \times 10^{-7}\) C is located at a distance of 0.09 m from a point P. Obtain the work done in bringing a charge of \(2 \times 10^{-9}\) C from infinity to the point P.
CUET (UG) - 2025
Physics
Potential Due to a Charged Particle
View Solution
A 12 V battery connected to a 6 \(\Omega\), 10 mH coil through a switch drives a constant current in the circuit. The switch is suddenly opened. Assuming that it took 1 ms to open the switch, the average emf induced across the coil would be
CUET (UG) - 2025
Physics
Self-Induction
View Solution
View More Questions
Top CUET Questions
Find the ratio of de-Broglie wavelengths of deuteron having energy E and \(\alpha\)-particle having energy 2E :
CUET (UG) - 2026
Dual nature of radiation and matter
View Solution
In an electrochemical cell, the standard electrode potential of Zn\(^{2+}\)/Zn is \(-0.76\, \text{V}\) and that of Cu\(^{2+}\)/Cu is \(+0.34\, \text{V}\). What is the standard EMF of the cell?
CUET (UG) - 2025
Electrochemistry
View Solution
If 36: 84 :: 42: X, then the value of X, is:
CUET (UG) - 2025
Ratio and Proportion
View Solution
Select the correct statements for [Fe(CN)\(_6\)]\(^{3-}\) complex:
(A) Paramagnetic
(B) sp\(^3\)d\(^2\) hybridization
(C) Magnetic moment = 5.92 BM
(D) d\(^2\)sp\(^3\) hybridization
CUET (UG) - 2025
Coordination chemistry
View Solution
If 1st July 2022 was Sunday, then what was the day on 1st November 2022?
CUET (UG) - 2025
Clock and Calendar
View Solution
View More Questions