MCQ
Assertion : $29$ is the equivalent decimal number of binary number $11101.$
Reason: $(11101)_2=\left(1 \times 2^4+1 \times 2^3+1 \times 2^2+0 \times 2^1+1 \times 2^0\right)_{10}=(16+8+4+0+1)_{10}=(29)_{10}$
  • If both assertion and reason are true and the reason is the correct explanation of the assertion.
  • B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
  • C
    If assertion is true but reason is false.
  • D
    If the assertion and reason both are false.

Answer

Correct option: A.
If both assertion and reason are true and the reason is the correct explanation of the assertion.
If both assertion and reason are true and the reason is the correct explanation of the assertion.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Light of wavelength $4000 \mathring A$  falls on a photosensitive metal and a negative $2V$ potential stops the emitted electrons. The work function of the material $($in $eV)$ is approximately $(h = 6.6 \left.\times 10^{-34} \mathrm{Js}, \mathrm{e}=1.6 \times 10^{-19} \mathrm{C}, \mathrm{c}=3 \times 10^8 \mathrm{~ms}^{-1}\right)$
The EMF of a cell can be defined as:
Rest mass energy of an electron is 0.51 MeV. If this electron is moving with a velocity 0.8 c (where c is velocity of light in vacuum), then kinetic energy of the electron should be.(a) 0.28 MeV(b) 0.34 MeV(c) 0.39 MeV(d) 0.46 MeV
       
For an isolated object, the graph between potential and charge is given below. The capacity of an object is-
Image
If light travels a distance $x$ in $\mathrm{t}_1 \sec$ in air and $10 \times$ distance in $\mathrm{t}_2 \sec$ in a medium, the critical angle of the medium will be
Two uniform wires  A and  B are of the same metal and have equal masses. The radius of wire A is twice that of wire B. The total resistance of A and  B when connected in parallel is(a) 4 Ω when the resistance of wire A  is 4.25 Ω(b) 5 Ω when the resistance of wire A  is 4.25 Ω(c)  4 Ω when the resistance of wire  B is 4.25 Ω(d) 4 Ω when the resistance of wire  B is 4.25 Ω
 
 
 
 
A student has $10$ resistors of resistance $' r\ '.$ The minimum resistance made by him from given resistors is
Lorentz force is given by the formula:
Calculate the surface integral of a magnetic field over a surface.
The amount of force exerted on a unit positive charge in an electric field is known as _____?