A. N=Noe-λt
B. N=Noeλt
C. N=Noe-λt/2
D. No=N(1+eλt)
Related Mcqs:
- A wire obeys Hooks law is of length 11 when it is in equilibrium under a tension F1. Its length becomes 12 when the tension is increased to F2. The energy stored in the wire during this process is____________________?
A. (F1+F2) (121+122)
B. (F1+F2) (122-112)
C. (F1+F2) (12-11)
D. (F1+F2) (12-11) - In addition to the daughter nucleus and an electron or positron, the products of a beta decay
A. Neutrons
B. Neutrino
C. Alpha particle
D. ProtonSubmitted by: Alina Malik
- Which one of the following is not a radioactive element ?
A. Cadmium
B. Thorium
C. Radium
D. UraniumSubmitted by: Mansoor Ahmed Suhag
- For chain reaction to build up the size of the radioactive target should be______________?
A. Greater than the critical size
B. Less than the critical size
C. Equal to the critical size
D. All of above can build up a change reaction - Radioactive materials can be identified by measuring their_______________?
A. Hardness
B. Density
C. Mass
D. Half life - Which law of motion is also called law of inertia ?
A. 1st law
B. 2nd law
C. 3rd law
D. all 1st, 2nd and 3rd laws - According to which one of following law the density of atom is uniform ?
A. J.J.Thomson model
B. Rutherfords model
C. Bohrs model
D. All of the above laws contradict the statement - The graphical representation of Ohms law is___________________?
A. hyperbola
B. ellipse
C. parabola
D. straight line - Stokes law is applicable if body has __________shape?
A. Rough
B. Square
C. Circular
D. Spherical - Newton’s Third Law of Motion?
A. every action there is an equal and opposite reaction.
B. attraction or repulsion between two charges
C. volume of a given mass of gas increases or decreases
D. temperature remaining constant, volume of a given mass of a gas varies inverselySubmitted by: Mehran ali Sheikh
