Physics Quiz 04.02.2024

What defines the optical center of a lens?

• Point of highest curvature
• Point where light rays converge
• Central point of the lens where light rays pass undeviated
• Edge of the lens

Which type of lens diverges light rays?

• Convex
• Concave
• Cylindrical
• Bifocal

The unit "Diopter" is associated with:

• Electric resistance
• Magnetic field strength
• Power of a lens
• Luminous intensity

Who is credited with the calculation of the speed of light?

• Isaac Newton
• Albert Einstein
• Ole Romer
• James Clerk Maxwell

What is the escape velocity from Earth's surface?

• 9.8 m/s
• 11.2 km/s
• 7.9 km/s
• 5.5 km/s

Kepler's Laws of Planetary Motion were formulated in which year?

• 1605
• 1701
• 1803
• 1905

The concept of buoyancy is best described by which principle?

• Newton's First Law
• Bernoulli's Theorem
• Archimedes' Principle
• Pascal's Law

Viscosity decreases with the increase in:

• Pressure
• Volume
• Temperature
• Density

Surface tension is measured in:

• Newtons
• Joules
• Newtons per meter
• Watts per meter squared

What is the SI unit of electric charge?

• Ampere
• Coulomb
• Ohm
• Volt