Electromagnetic Waves Quiz PDF: Questions and Answers - 27

MCQ 131: Electromagnetic wave with lowest frequency is

1. radio waves
2. infrared
3. ultraviolet
4. gamma rays

MCQ 132: Considering kinetic theory of particles, solids have

1. Fixed shape and volume
2. Variable shape and volume
3. Variable shape but fixed volume
4. Fixed shape but variable volume

MCQ 133: Volume of pure water is 62 m³ and the mass is 62000 kg, its density is

1. 100 kg m^-3
2. 10 kg m^-3
3. 1000 kg m^-3
4. 1 × 10^-3

MCQ 134: "Distance of virtual image and the object is equal from the mirror". This statement is

1. Right
2. Wrong
3. May be right or may be wrong
4. Neither right nor wrong

MCQ 135: Sound is slowest in

1. Air
2. Liquid
3. Solid
4. Vacuum