CISCE Board - Class 6

Physical Measurements & Energy question bank (Physics)

Practice 261 free CISCE Board - Class 6 Physics - Physical Measurements & Energy questions with answers and step-by-step solutions.

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Q1.

Light & Optics: In 'Matter and Physical Properties', the law of reflection states that:

(A)
Angle of incidence equals angle of reflection ($\angle i = \angle r$) in the same plane (Matter and Physical Properties)
(B)
$\angle i + \angle r = 180^\circ$
(C)
Angle of reflection is always $90^\circ$
(D)
None of these
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Q2.

Heat & Energy: What is the formula for heat absorbed during temperature change in 'Matter and Physical Properties'?

(A)
$Q = mc\Delta T$ (where $c$ is specific heat capacity) (Matter and Physical Properties)
(B)
$Q = \frac{{m}}{{c\Delta T}}$
(C)
$Q = m + c + T$
(D)
None of these
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