Length and Time Quiz PDF: Questions and Answers - 119

MCQ 591: One second is the time taken by

1. 9,192,631,700 oscillations of light
2. 1,192,631,700 oscillations of light
3. 192,631,700 oscillations of light
4. 700 oscillations of light

MCQ 592: Density of Zinc at 20°C is

1. 72.59 g/cm³
2. 7.133 g/cm³
3. 6.50 g/cm³
4. 18.95 g/cm³

MCQ 593: Thermodynamic process during which the volume of the closed system undergoing such a process remains constant is called

1. isothermic process
2. adiabatic process
3. closed cycle process
4. free expansion process

MCQ 594: Period of revolution of Neptune is

1. 165 y
2. 84.0 y
3. 11.9 y
4. 29.5 y

MCQ 595: Avogadro's number is equals to

1. 2.032x10²³ mol^-1
2. 6.02x10²³ mol^-1
3. 18.02x10²³ mol^-1
4. 1.02x10²³ mol^-1