FUNDAMENTAL PHYSICS (One-Liner + MCQs)

Color coding for neutral wire is:

• (A) Red or black
• (B) Black or blue
• (C) Green or yellow
• (D) White or black

On what principle circuit breaker works?

• (A) Electromagnetic
• (B) Electric potential
• (C) Self-induction
• (D) Mutual induction

A light microscope uses lenses to make the objects look much bigger. What this increase in size is called:

• (A) Magnification
• (B) Megafying
• (C) Both of these
• (D) None of these

A satellite moving round the earth with a uniform speed has:

• (A) An accelerated motion
• (B) Uniform acceleration
• (C) No acceleration at all
• (D) Uneven acceleration

The absorption of ink by blotting paper involves:

• (A) Viscosity of ink
• (B) Capillary action
• (C) Diffusion of ink
• (D) Siphon action

Materials for rain-proof coats and tents owe their water proof properties to:

• (A) Surface tension
• (B) Viscosity
• (C) Elasticity
• (D) Specific gravity

The dimensions of linear momentum is:

• (A) [M^-1T]
• (B) [M¹L²T^-1]
• (C) [ML^-1T]
• (D) [MLT^-1]

The dimension of angular momentum is:

• (A) [M¹L²T^-1]
• (B) [M^-1T]
• (C) [ML^-1T]
• (D) [MLT^-1]

Optical fibers are the fine strands of:

• (A) Iron
• (B) Glass
• (C) Calcium
• (D) Mercury

Three dimensional image formed by laser is called:

• (A) Photocopy
• (B) Hologram
• (C) Sketching
• (D) Photograph