NECO Physics Practical Specimen Questions and Answers 2022 (100% Verified) Theory & Obj Expo Answers

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NECO Physics Practical Specimen Questions and Answers 2022  is now release for the May/June 2022.  NECO Physics Practical Specimen Theory and Objective Answers (100%legit) Physics Practical Specimen  Essay verified Free  (Expo) for National Examination Council. NECO Physics Practical Specimen Questions For you to have good NECO result in  Physics Practical Specimen as well as repeated questions for free in this post. You will also understand how NECO Physics Practical Specimen questions are set and how to answer them. The National Examination Council is an examination body in Nigeria that conducts the Senior Secondary Certificate Examination and the General Certificate in Education in June/July and November/December respectively.
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3 Comments

  1. : 2022 NECO PHYSICS PRACTICALS

    (3bi) The possible cause of a one sided deflection of the galvanometer can be because the potential difference between the ends of the potentiometer wire or the E.M.F. of the cell connected in the main circuit may not be greater than the E.M.F. of the cells whose E.M.F. are to be compared.

    OR

    The positive terminals of the cells and the battery used, the circuit might not be connected to the same end of the potentiometer wire.

    CORRECTION: In such a case we will ensure if all connections are tight and connecting wire are not broken.

    (3bii) Parallel ——> Voltage remains

    : (2bi)
    {TABULATE}
    [UNDER REFLECTION OF LIGHT BY PLANE SURFACE]
    (i) Forms an upright image always.
    (ii) Image formed when light is reflected is always the same size as object.

    [UNDER REFLECTION OF LIGHT BY CURVED SURFACE]
    (i) Image formed by by curved mirror can be inverted or upright image formed.
    (ii) Image formed depends on where the object is placed.

    (2bii)
    Angle about a point = 360°.
    Angle between mirror = 360° – 320° = 40°.
    No. of images formed by an inclined mirror = 360/∅ – 1,
    Therefore, 360/40-1,
    Therefore, 9 – 1 = 8.
    Therefore, Number of images = 8 images.

  2. PHYSICS- PRACTICAL-ANSWERS!-By-prof hero
    (1bii)
    Weight in Air = 2.9N
    Weight in water= 1.3N
    Relative Density= ?
    Relative Density = Weight in Air/ Change in weight of water
    R.D = 2.9/(2.9 – 1.3)
    = 2.9/1.6 = 1.8125
    Relative Density = 1.813

    Typing now keep refreshing
    ==============================

  3. (2xvi)
    Slope (S) = ΔZ/ΔQ
    S = 2.95/0.6
    S = 4.92cm

    (2xvii)
    K = 2S
    K = 2 x 4.92
    K = 9.84cm

    (2xviii)
    (i) I ensured the pins were vertically upright
    (ii) I avoided parallax error in reading the protractor

    (2bi)
    [TABULATE]

    =PLANE SURFACE=
    (i) Image distance is samw with the object distance
    (ii) Magnification is always equal to one

    =CURVED SURFACE=
    (i) Image and object distance varies
    (ii) Magnification varies

    (2bii)
    Number of images = (360/θ) – 1
    = (360/40) – 1
    = 8 images

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