Category: Physics Quiz

Question: The velocity of sound is maximum in – 1. Vacuum 2. Metal 3. Liquid 4. Air Answer: 2 Question: When you pull out the plug connected to an electrical appliance, you often observe a spark. To which property of the...

Question: Which one among the following would expand the most on being heated? 1. Air 2. Water 3. Alcohol 4. Glass Answer: 1 Question: If a ship moves from freshwater into seawater, it will 1. rise a little higher 2. sink...

Question: While checked with a multimeter, an open resistor reads – 1. Zero 2. Infinite 3. High but within tolerance. 4. Low but not zero Answer: 2 Question: How will a red flower appear, if it is seen through a green...

Question: Two resistance of 3Ω and 6Ω respectively are connected to a battery of 18V in series. The current passing through the circuit is 1. 2A 2. 3A 3. 6A 4. 9A Answer: 1 Question: When the length of a pendulum in a clock is...

Question: Transistors used in electronic equipments are mostly made of 1. Silver 2. Copper 3. Silicon 4. Carbon Answer: 3 Question: Which of the following is a unit of angle measurement? 1. Hour 2. Second 3. Millimeter 4. None...

Question: Pulley in a belt drive acts as – 1. Cylindrical pair 2. Turning pair 3. Rolling pair 4. Sliding pair Answer: 1 Question: Minority carrier in P-type semiconductor is – 1. Free electrons 2. Free holes 3....

Question: What are Ferrites? 1. Magnetic but have low resistance 2. Magnetic but have high resistance 3. Non-magnetic with low resistance 4. Non-magnetic with high resistance Answer: 2 Question: An electronics circuits in which...

Question: The information is sent by CW transmitter by – 1. Changing the audio frequency 2. Interrupting radio signal 3. Using microphone 4. Using camera Answer: 1 Question: If one cylinder of a diesel engine receives more...

Question: Hydrogen has the tendency to gain one electron to acquire helium configuration. In this tendency, it resembles 1. Alkali metals 2. Inert gases 3. Alkaline earth metals 4. Halogens Answer: 4 Question: The ore of...

Question: Moving electric charge produces: 1. heat waves 2. magnetic field 3. light rays 4. sound waves Answer: 2 Question: The blue colour of the water in the sea is due to 1. Refraction of the blue light by the impurities in...