- (A) depends on the pressure in the discharge tube
- (B) depends on the metal used as cathode
- (C) depends on the gas used in the discharge tube
- (D) does not depend on the nature of the gas used in the discharge tube
Exam preparation MCQs with answers
Practice Pakistan's most useful MCQs for competitive exams
Prepare for NTS, PPSC, FPSC and subject-wise tests with fresh multiple choice questions, clear options and quick answer reveal.
Latest MCQs
- (A) higher melting point then molecular crystals
- (B) lower melting point then molecular crystals
- (C) discrete molecules linked by Van der waals forces
- (D) hydrogen bonding
- (A) increase inter-molecular interactions
- (B) increasing potential energy of molecules
- (C) increasing kinetic energy of molecules
- (D) decreasing surface tension
- (A) Orographic rainfall
- (B) Normal rainfall
- (C) Monsoon rains
- (D) Cyclonic rainfall
- (A) 5 minutes
- (B) 10 minutes
- (C) 15 minutes
- (D) 20 minutes
- (A) 10,000
- (B) 1,00,000
- (C) 1,50,000
- (D) 2,00,000
- (A) Calcium oxalate
- (B) Sodium acetate
- (C) Magnesium sulphate
- (D) Calcium
- (A) Iris
- (B) Lens
- (C) Cornea
- (D) Retina
- (A) 1 hours
- (B) 5 hours
- (C) 10 hours
- (D) 15 hours
- (A) 300 k Calories
- (B) 600 k Calories
- (C) 900 k Calories
- (D) 1200 k Calories

