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The Smart Cities Mission aims to create 100 smart cities with modern infrastructure and technology-driven services. Launched on June 25, 2015. 100 cities selected. Focus on smart solutions and technology. Enhances urban infrastructure. Improves quality of life in cities.
A person throws a ball from ground level at speed u and angle θ. The ball reaches maximum height H and range R. What is the ratio H/R?
The threshold wavelength for a photoelectric surface is 540 nm. Will a light of energy 2.5 eV cause photoemission?
An example of longitudinal waves (in a gas medium) is:
Which of the following is NOT a conductor of electricity?
An electric bulb is rated 100 W and 220 V. What is the current through the bulb?
Two tuning forks produce 4 beats per second. If one has a frequency of 256 Hz, the frequency of the other is:
A wire loop in the shape of a square of side a carries a current I. If an infinitely long straight wire carrying the same current passes through the cen...
Which gate gives a high output only when both inputs are low?
Two identical spheres with charges +4q and –q are brought into contact and then separated. What is the final force between them if their centers are ...
The unit of electric power is —
