Verified Waec GCE 2018 Financial Accounting & Physics Obj & Theory Answers

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Verified Waec GCE 2018 Financial Accounting & Physics Obj & Theory Answers
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    WAEC GCE PHYSICS AND FINANCIAL ACCOUNTING..




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    PHYSICS ESSAY SOLUTIONS


    Physics-Obj
    1BCCBBCCADA
    11BBAADCAAAA
    21ABBCAADABC
    31CAAABAADCA
    41BCBCBABBDC


    Maybe it is not scattered for Nigeria

    But it is scattered for Ghana

    But to be on the safer side, answers will be provided in words not alphabets


    PHYSICS OBJ IN WORDS FORMAT

    1. kilogram, meter and second
    2. Vernier caliper
    3.
    4. gravitational force
    5. Average velocity
    6. ohm
    7. slope of the lonear portion (AB)..
    8. the adhesion btwn water and glass molecules is greater than the cohesion among the water molecules
    9. 2.0 ms-2
    10. u2/2g
    11. Temperature
    12. Temperature of the liquid
    13. 0.5Ns
    14. Screw jack
    15. 4.69mm
    16. Nm^2 Kg ^-2
    17. Electric to heat
    18. Temperature
    19. 1000.oJ
    20. Q will be less than pressure at R
    21. 98.6 degreeF
    22. Polarized
    23. red
    24.
    25. 0.04m
    26. elasticity
    27. I and III only
    28. 1/24cm
    29.
    30. real, magnified, inverted
    31. 0.250ms^-1
    32. sinusoidal
    33. Low value resitor connected accross an AMMETER
    34.
    35. Increase in the distance btwn the plates
    36. GHC 79.20
    37. 0.5 height and 4.0m width
    38. 400ms^-1
    39. mechanical, heat and sound energy
    40. doubling the inductance
    41.
    42. Longer and thinner
    43.
    44.
    45. 6 ohms
    46. Henri Becquerel
    47. both energy and momentum
    48. intensity at incident radiation
    49. Have long wavelength
    50. 1.02x10^-7
    ====================================










    1a)
    Young modulus of a material or the modulus of
    elasticity.

    (1b)
    Potential Energy to kinetic Energy.

    =========================================

    (2)
    e = 0.7m
    m=60 × 10^-3kg = 6.0×10^-2kg
    K = 200Nm^-1
    W = 1/2ke² = 1/2mv²
    1/2ke² = 1/2mv²
    V² = ke²/m = 200×0.7²/6.0×10^-2
    V² = 98×10²/6
    V² = 16.33×10²
    V = √1633
    V = 40.4
    Speed = 40.4ms^-1

    ====================================

    (3)
    (i) Optical fibres have extremely high bandwidth
    (ii) They have longer transmission distance
    (iii) They have resistance to electromagnetic
    interference

    =========================================

    (4a)
    It is used in geometric stations used to move a
    satellite from low earth orbit into a
    geostationary orbit.

    (4b)
    Polar orbit satellite is used in earth mapping.

    ===========================================

    (5a)
    (i) Centripetal force
    (ii) Centrifugal force

    (5b)
    Ft = mDv
    where F = force
    t = time
    Dv = change in velocity
    m = mass of object
    Hence F = mDv/t

    ============================================

    (6a)
    (i) It can cause short and long term sun burn
    effects.
    (ii)It can cause blindness when flashed to the
    eyes.

    (6b) Energy = hf
    = 6.60×10^-34 × 4.82×10^14
    = 3.18×10^-19J
    = 1.99ev

    =====================================

    (7)
    V = 2πR/T
    R = 9.6×10^6 + 6.4×10^6 =16×10^6 m
    T = 24hrs =(24×60×60)s
    V = 2×3.142×16×10^6/24×60×60
    V = 1162.96m/s

    =========================================

    8a) Mass is the amount of material contained in a body and the SI unit is Kg while Weight is the force exerted on a body by the gravity of the object. ..Mass is a scalar quantity( It has not specific direction), While Foce is a vector quantity (Its in the same direction with gravity)

    8ai)
    Mass is measured in Kg
    Weight is measured in Newton
    Mass is a scalar quantity
    Weight is a vector quantity
    Mass is constant
    Weight varies

    8aii) Clockwise moment about the pivot.
    Moment = Force x Distance
    Moment = 250 x 0.75
    Moment = 187.5Nm

    =========================================

    (11a)
    Lenz's law states that an induced current is in
    such direction that it's magnetic effect opposes
    the change by which the current is induced.

    (11b)
    (i) Magnets are used in construction of
    speakers.
    (ii) They are used to store data in computers.
    (iii) Used in magnetic resonance imaging
    machines.

    (11ci)
    (a) Two coils: So as to produce an induced
    current from one coil to the other.
    (b) an iron core: To increase the strength of the
    magnetic field.

    (11cii)

    (11d)
    Total resistance in series
    Rt = R1 + R2
    = 500 + 400
    Rt = 900ohms

    Taking E = 6v
    E = V + ir
    E = VR + Ir
    E = I ( R + r)
    I = E/R + r

    taking r = 200ohms
    I = 6/900+200
    I = 6/1100
    I = 0.005A

    Hence the voltmeter reading
    V = IR
    = 0.005 × 200
    = 1.09v
    =================














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    FINANCIAL ACCOUNT
    F/account-obj
    1ACABBCDBAB
    11DBABBBCADB
    21CDCABCDBBD
    31CCBCDBCCDC
    41BDCCBAAABA

    4)1) Objectives
    2) Accountinfg Basis
    3) Accountability

    4b)i) fines and pernalties
    ii Property rates
    iii) fees
    iv) Return on Investments
    v) Market and road tolls

    4c) i) Construction of new school building
    ii) purchase of machinery fur road construction

    ===================

    1a
    I) To maintain systematic records
    ii) Estimate profit and loss
    iii) Facilitating rational decision making.

    1b

    I)Understandability

    This implies the expression, GBwith clarity, of accounting information in such a way that it will be understandable to users - who are generally assumed to have a reasonable knowledge of business and economic activities

    ii)Relevance

    This implies that, to be useful, accounting information must assist a user to form, confirm or maybe revise a view - usually in the context of making a decision (e.g. should I invest, should I lend money to this business? Should I work for this business?)

    iii)Consistency

    This implies consistent treatment of similar items and application of accounting policies


    =================


    3)
    Goodwill is the benefit and advantage arising from the good mame reputation, position and connection of a business which enable it to earn more profit than normally expected on the capital employed in the business

    3b)
    (i) Admission of a new partner
    (ii) Dissolution of partnership
    (iii) Change in profit sharing ratio

    3c)
    (i) The amount of capital to be contributed by each partner
    (ii) No interest on drawing
    (iii) No partner is entitled to salary or other remuneration
    (iv) Profit and losses to be shared equally
    (v) No people may be introduced as A partner without the consent if all existing partner




































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