Class 10 SEBA General Science Important Questions for Pre-board 2022
PRACTICE PAPER-01
GENERAL SCIENCE
CLASS-10(SEBA BOARD-with Revised Course)
1. A current of 0.5 A is drawn by a
filament of an electric bulb for 10 minutes. Find the amount of electric charge
that flows through the circuit.
2. Define the unit of current. Also
Calculate the number of electrons constituting one coulomb of charge.
3. How much energy is given to each coulomb of charge passing through a
6 V battery ?
4. Draw the symbols of A battery or a combination of
cells.
5. An electric heater of resistance 8 W draws 15 A from the service mains 2
hours. Calculate the rate at which heat is developed in the heater.
6. Explain why is the tungsten used almost exclusively
for filament of electric lamps?
7. A convex mirror used for rear-view on an automobile has a radius of curvature of 3.00 m. If a bus is located at 5.00 m from this mirror, find the position, nature and size of the image.
NCERT Class 10 Science Notes on Electricity
(i) iron with steam
(ii) calcium and potassium with water
9. Write the electron-dot structures for sodium, oxygen and magnesium.
10. Why is DNA copying an essential part of the process of reproduction?
Download Class 10 SEBA General Science Important Questions pdf for Pre-final 2022
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