NEET-XII-Physics

qstns with ansrs year:2022

with Solutions -
  • #2
    Match List - I with List - II.
    List I (Electromagnetic waves) List II (Wavelength)
    a AM radio waves i `` 10^{-10}m ``
    b Microwaves ii `` 10^2 m ``
    c Infrared radiations iii `` 10^{-2}m ``
    d X - rays iv `` 10^{-4}m ``
    Choose the correct answer from the options given below:

    (A)
    (a) - (ii),
    (b) - (iii),
    (c) - (iv),
    (d) - (i)
    (B)
    (a) - (iv),
    (b) - (iii),
    (c) - (ii),
    (d) - (i)
    (C)
    (a) - (iii),
    (b) - (ii),
    (c) - (i),
    (d) - (iv)
    (D)
    (a) - (iii),
    (b) - (iv),
    (c) - (ii),
    (d) - (i)
    digAnsr:   A
    Ans : (a) Radio wave (ii) `` \approx 10^{2} m `` (ii)
    (b) Microwave `` \approx `` (iii) `` 10^{-2} m `` (iii)
    (c) Infrared radiations `` \approx( iv ) 10^{-4} m `` (iv)
    (d) X-ray (i) `` \approx \,Ã…=10^{-10} m `` (i)
    (a) - (ii),
    (b) - (iii),
    (c) - (iv),
    (d) - (i)