A. Systolic Pressure / Diastolic Pressure B. Diastolic Pressure / Systolic Pressure C. Venous Pressure / Systolic Pressure D. Systolic Pressure / Pulse Pressure Blood pressure is measured in units of millimeters of mercury (mmHg). The readings are always given in pairs, with the upper (systolic) value first, followed by the lower (diastolic) value.
A. Power B. Electric Current C. Energy D. Time E. None of these Kilowatt hour is the unit of ENERGY. Watt or Kilowatt is the unit of power. Kilowatt-hour (KWh) is unit of Electrical Energy. We know that, Power×time=Energy ⇒ Kilo-Watt×Hour=Energy 1KWh is electrical energy consumed when an electrical equipment of power 1 KiloWatt is … Read more
A. Aluminium B. Titanium C. Abestos D. Mica Mica is a good conductor of heat but had a bad conductor of electricity. Mica has good thermal conductivity due to phonons but doesn’t have sufficient free electrons to be a good conductor of electricity. The important micas are muscovite and phlogopite, which are used in a … Read more
A. Height B. High temperature C. High Mountain D. Rainfall
A. white blood Cells B. Platelet C. Red Blood cells D. Plasma
A. Micro waves B. Radio waves C. A. M. D. Infra-red waves Microwaves are used for satellite communication because microwaves can pass straight through the atmosphere and connect antennas on earth to a satellite in earth’s orbit.
A. It will remain under the water, when it will displace more water than its weight B. the density of needle is less than that of water C. due to surface tension D. due to its shape According to Archimedes principle and we can note that the amount of water displaced by a needle is … Read more
A. they fall with that ultimate velocity, which are different for different droplets B. they fall with same ultimate velocity C. their velocity increases and they fall with different velocity on the earth D. their velocity increases and they fall with same velocity on the earth Any mass is attracted to the Earth by the … Read more
A. We face sun and raindrops B. The Sun remains behind us and we face raindrops C. In light rainfall, we face Sun D. The sky remains clear and the sun is at lower position in the sky We see rainbows because of the geometry of raindrops. When the sun shines from behind us into … Read more
A. Amplitude modulated B. Frequency modulated C. fixe modulated D. Velocity modulated The audio signals of TV are Frequency modulated. Analog TV sound is also broadcast using frequency modulated (FM). Narrowband FM is used for voice communications in commercial and amateur radio settings.