CISCE Board - ICSE Class 9

ICSE Class 9 Physics Core question bank (Physics)

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Q1.

ICSE Physics: What governing physical law or definition applies to 'Measurements and Experimentation: Vernier Callipers and Screw Gauge'?

(A)

Standard ICSE physical definition and SI unit (Measurements and Experimentation: Vernier Callipers and Screw Gauge)

(B)

Contradiction of Newtonian mechanics

(C)

Non-conservative violation

(D)

None of these

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Q2.

Machines (Pulley & Levers): In 'Measurements and Experimentation: Vernier Callipers and Screw Gauge', efficiency $\eta$ of a machine is related to $MA$ and $VR$ by:

(A)

$\eta = \frac{\text{MA}}{\text{VR}} \times 100\%$ (Measurements and Experimentation: Vernier Callipers and Screw Gauge)

(B)

$\eta = \text{{MA}} \times \text{{VR}}$

(C)

$\eta = \frac{{\text{{VR}}}}{{\text{{MA}}}}$

(D)

None of these

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