Physics Which of the following statements is true when we see ''rainbow' ? We face sun and raindrops The Sun remains behind us and we face raindrops The sky remains clear and the sun is at lower position in the sky In light rainfall, we face Sun We face sun and raindrops The Sun remains behind us and we face raindrops The sky remains clear and the sun is at lower position in the sky In light rainfall, we face Sun ANSWER DOWNLOAD EXAMIANS APP
Physics The force of friction between two surfaces will increase if: Irregularities on both the surfaces are removed The two surfaces are pressed harder Air gap is created between the two surfaces A layer of lubricant is kept between the two surfaces Irregularities on both the surfaces are removed The two surfaces are pressed harder Air gap is created between the two surfaces A layer of lubricant is kept between the two surfaces ANSWER DOWNLOAD EXAMIANS APP
Physics A bucket of water is hung from a spring balance. A piece of iron is suspended in the water without touching the sides or touching the bottom of the bucket. The reading of the spring balance Will increase Will decrease Varies with the increase of depth of the immersion of the iron piece Does not change Will increase Will decrease Varies with the increase of depth of the immersion of the iron piece Does not change ANSWER DOWNLOAD EXAMIANS APP
Physics Consider the following statements :1. There is no net moment on a body which is in equilibrium.2. The momentum of a body is always conserved.3. The kinetic energy of an object is always conserved.Which of the statements given above is/are correct? 2 and 3 only 1, 2 and 3 1 only 1 and 2 only 2 and 3 only 1, 2 and 3 1 only 1 and 2 only ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following device is best suited for measuring the temperature inside metallurgical furnaces? Thermometer Thermistor Thermocouple Pyrometer Thermometer Thermistor Thermocouple Pyrometer ANSWER DOWNLOAD EXAMIANS APP
Physics The ordinary and maximum tolerance limit of sound by human being is 65 db to 75 db (decibel) 60 db to 80 db (decibel) 70 db to 85 db (decibel) 50 db to 70 db (decibel) 65 db to 75 db (decibel) 60 db to 80 db (decibel) 70 db to 85 db (decibel) 50 db to 70 db (decibel) ANSWER DOWNLOAD EXAMIANS APP
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