Question
A stone tied to a string is rotated in a horizontal plane
Fill in the blanks: (a) A stone tied to a string is rotated in a horizontal plane. The tension in the string…
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Question
In the following atoms identify the radioisotope and name the class of lever
(a) In the following atoms, which one is a radioisotope? Give one use of it. O-16, C-14, N-14, He-4 (b) Name the…
Question
A block of glass is pushed into the path of light as shown below
A block of glass is pushed into the path of light as shown below. The point X will: (a) move away from…
Question
The graph given below shows heat energy supplied against change in temperature
The graph given below shows heat energy supplied against change in temperature when no energy is lost to the surrounding. The slope…
Question
A radioactive element is kept in an evacuated chamber
A radioactive element is kept in an evacuated chamber. The rate of radioactive emission will: (a) decrease (b) increase (c) remain unchanged…
Question
The linear magnification produced by a concave lens is
The linear magnification ‘m’ produced by a concave lens is: (a) m < 1 (b) m > 1 (c) m = 1…
Question
During the melting of ice at 0 degree Celsius
During the melting of ice at 0°C: (a) energy is released and temperature remains constant (b) energy is absorbed and temperature remains…
Question
The potential difference between the terminals of a cell in a closed circuit is called
The potential difference between the terminals of a cell in a closed circuit is called: (a) terminal voltage (b) electromotive force (c)…
Question
Identify the option that displays the correct wiring with correct colour code
Identify the option that displays the correct wiring with correct colour code: (a) (b) (c) (d)
Question
The specific resistance of a wire depends on
The specific resistance of a wire depends on: (a) its length (b) the material of the wire (c) its cross-sectional area (d)…