What kind of energy is stored in a dry cell?
- (A) Solar
- (B) Electrical
- (C) Chemical
- (D) Mechanical
- (C) Chemical
The fourth state of matter is known as:
- (A) Wood
- (B) Rubber
- (C) Metal
- (D) Plasma
- (D) Plasma
The meters installed in our homes measure the electricity in:
- (A) Meter
- (B) Omega
- (C) KWH
- (D) Ohm
- (C) KWH
What is “Force”?
- (A) Push
- (B) Pull
- (C) Both (A & B)
- (D) Static
- (C) Both (A & B)
A green spotlight and a red spotlight shining on the same place will produce:
- (A) Yellow light
- (B) Blue light
- (C) Brown light
- (D) White light
- (A) Yellow light
The number of spark plugs needed in a diesel engine is:
- (A) 0
- (B) 3
- (C) 2
- (D) 4
- (A) 0
Which rays will deflect in electric field?
- (A) Infrared rays
- (B) Cathode rays
- (C) Alpha rays
- (D) Gamma rays
- (B) Cathode rays
Electric current in metal wire is due to the flow of:
- (A) Protons
- (B) Neutrons
- (C) Holes
- (D) Electrons
- (D) Electrons
What is the speed of sound in dry air?
- (A) 500 km/sec
- (B) 550 km/sec
- (C) 610 km/sec
- (D) 710 km/sec
- (B) 550 km/sec
What is the range of wavelengths of audible sound in air?
- (A) 0.014 m to 14 m
- (B) 0.015 m to 15 m
- (C) 0.016 m to 16 m
- (D) 0.017 m to 17 m
- (D) 0.017 m to 17 m