Endoscope Notes Questions with Answers PDF Download - 11

The endoscope use to examine the stomach is called

1. cystoscope
2. gastroscope
3. microscope
4. bronchoscope

A periscope helps a person to look over a high wall or obstacles by using to plane mirrors inclined at

1. 30 °
2. 45 °
3. 120 °
4. 60 °

The unit for the heat capacity is

1. kg m^-3
2. J Kg^-1 K ^-1 or J Kg ^-1°C ^-1
3. J K^-1 or J °C^-1
4. watt

A girl accidently dropped a stone from her building, the mass os the stone is 12 g and the height is 60 m. If the air resistance can be neglected and g = 10 N kg^-1, what is the speed of the stone when it hits the ground?

1. 5.6 J
2. 7.2 J
3. 3.9 J
4. 5.8 J

By observing events that repeat at regular intervals or periods, we measure

1. length
2. distance
3. energy
4. time