Untitled Quiz

What are some of the basic elements of electronics and radio technology?

• Current, Voltage, Resistance, Capacitance, Inductance

• Velocity, Acceleration, Force, Energy, Power

• Light, Sound, Heat, Motion, Pressure

• Chemicals, Gases, Liquids, Solids, Plasma

What is the importance of the EM spectrum in everyday life situations?

• It enables communication through radio waves

• It helps in cooking food faster

• It controls the weather patterns

• It determines the color of the sky

What is the key idea related to the image formation by mirrors?

• The image is always virtual

• The image size is always larger than the object size

• The image is located at the same distance behind the mirror as the object distance

• The image is always inverted

What is the implication to teaching mentioned for the topic of human eye and optical instruments?

• Use of inquiry based teaching methods

• Use of traditional lecture-based teaching only

• Avoid any practical activities

• Focus on theoretical concepts only

What is the near point of a normal eye?

• 50 cm

• 25 cm

• 10 cm

• 100 cm

What is the function of the eye ball?

• To smell fragrances

• To hear sounds

• To taste food

• To see objects

What is the shape of the eye ball?

• Oval

• Triangular

• Round

• Square

What is the role of logic gates in digital circuits?

• Produce analog signals

• Control the temperature of the circuit

• Generate random numbers

• Perform logical operations on binary inputs

What is the difference between intrinsic and extrinsic semiconductors?

• Intrinsic semiconductors have equal number of electrons and holes, while extrinsic have unequal

• Intrinsic semiconductors have impurities added intentionally, while extrinsic have no impurities

• Intrinsic semiconductors are man-made, while extrinsic are natural

• Intrinsic semiconductors are conductive, while extrinsic are insulators

What is the purpose of logic gates in digital electronics?

• To store data permanently

• To generate heat in the circuit

• To control the flow of information

• To produce mechanical motion