Question
A plane mirror is placed on a wall. A man walks directly
toward the mirror at 2 m/s. The speed at which his image approaches him is:Solution
In plane mirrors, the image appears the same distance behind the mirror as the object is in front. When the man moves at 2 m/s toward the mirror, the image moves 2 m/s toward him from the opposite side. So, the relative speed between man and image is 2 + 2 = 4 m/s.
During a game of hockey, following an offence, if a player is shown a yellow card then he will be sent off the pitch for _______.
Which city is called as mini – Harappa?
Aparna Satheesan, a recipient of 2021 Abhinandan Saroja National award by National Institute of Classical Dance, is an exponent of ________ and Kuchipudi.
Which of the following commonly used food items attracts nil GST?
The Amazon River, the largest river by discharge volume of water in the world, does NOT pass through which of the following South American cities?
Which of the following Sites is a old UNESCO Sites in India?
A person covers 335 km in 19 hours. If his speed for the first 243 km is 81 km/h, then find the speed for the rest of the distance.
AIX is the operating system of which company?
Gir forest, which is famous for the Asiatic lion, is located in:
Who among the following was involved in the Alipore Bomb Case?
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