A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls _________?
A. behind him
B. in front of him
C. into his hand
D. by his side
A. behind him
B. in front of him
C. into his hand
D. by his side
A. Kidney failure
B. Heart weakness
C. Brain diseases
D. None of these
A. Pascal
B. No unit
C. Mass/volume
D. None of these
A. Eyes
B. Nails
C. Gums
D. Nostrils
Gingivitis – inflammation of the gum at the necks of the teeth, and. Periodontitis – inflammation affecting the bone and tissues of the teeth
A. Wavemeter
B. Viscometer
C. Wattmeter
D. None of these
A wattmeter is an electrical instrument which is used to measure the electric power (in watts) of any electrical circuit.
Voltmeter – is used to measure electric potential difference between two points,
Wavemeter – is used to measure the wavelength of a radiowave,
Viscometer – is used measure viscosity of liquid.
A. Camera
B. Spectroscope
C. Cinema
D. Periscope
A. NOx
B. SOx
C. CO
D. Suspended particulate matter