DSSSB TGT · Section A — General Awareness

Everyday Matter Observation

Matters of everyday observation and experience.

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  • Q1 · Everyday Matter Observation · EASY

    A person standing in front of a plane mirror observes that when he raises his right hand, the image appears to raise its left hand. What is this phenomenon called?

  • Q2 · Everyday Matter Observation · MEDIUM

    When we add salt to ice while making ice cream at home, the ice melts faster and the temperature of the mixture drops. What is the reason for this observation?

  • Q3 · Everyday Matter Observation · MEDIUM

    On a hot summer day, water kept in an earthen pot (matka) becomes cooler than water kept in a metal container. What is the primary reason for this?

  • Q4 · Everyday Matter Observation · EASY

    A steel spoon kept in a cup of hot tea becomes hot, while a plastic spoon in the same tea remains relatively cool. What property of materials explains this difference?

  • Q5 · Everyday Matter Observation · HARD

    When we look at the bottom of a swimming pool filled with water, it appears to be at a lesser depth than it actually is. If the actual depth is 4 meters and the refractive index of water is 4/3, what is the apparent depth as observed from directly above?

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