1) Why do we move our hands while walking? a) Force b) Angular momentum c) acceleration d) Momentum 2) What is the principle used behind ball point pen? a) Force b) Momentum c) Gravity d) velocity 3) What is the basic principle behind wearing seat belts? a) Inertia b) Momemtum c) Gravity d) Conservation of energy 4) The device that is used to generate heat in microwave oven is a) Microwave generator b) Electric field c) Spark d) Magnetron 5) How will calculate the power consumption made in your house if your spend 250V at 10A a) 25W b) 2.5kW c) 0.25kW d) 250W 6) What is the principle used in battery? a) electrochemical reaction b) resistance c) capacitance d) inductance 7) Which is device used in aeroplane for measuring the landing and taking off plane? a) odometer b) radar c) spectrograph d) gyroscope 8) What is the basic principle used in touch screenof a smart phone? a) capacitance b) resistance c) induction d) pressure 9) Empty room will create noise when some speaks due to a) reverberation b) silence c) fetcher effect d) voice 10) what is the principle used when you open in a door with help of handle a) angular momentum b) momentum c) force d) torque 11) Projection of three dimensional object into two dimensional image is called a) Intensity b) Amplitude c) Photograph d) Hologram 12) The instrument that convert analog into digital signal in telephone is a) Wire b) Modem c) Diaphragm d) Speaker 13) Shooting a gun towards apple or moving a ship in sea, which is having higher momentum? a) Shooting a Gun b) Moving a ship in a sea c) None of them d) Both of them 14) Which colors are prominent to create different possible colors? a) Red, Green and Blue b) Red, Yellow and Blue c) Red, White and Green d) Black, Green and Blue 15) The reflection in mirror is due to a) Glass b) Paint c) Shiny d) Mercury

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