Important Science Quiz for NDA/CDS/AFCAT Part -2
Attempt the Important Science Quiz for NDA/CDS/AFCAT, the passing percentage is 60%.
1 / 10
A student conducts an activity using a flask of height 15 cm and a concave mirror. He finds that the image formed is 45 cm in height. What is the magnification of the image?
2 / 10
When we touch the leaves of “touch-me-not” plant, they begin to fold up and droop. How does the plant communicate the information of touch?
3 / 10
How will information travel within a neuron?
4 / 10
A 10 mm long awl pin is placed vertically in front pin is formed at 30cm in front of the mirror. The focal length of this mirror is:
5 / 10
Two bulbs are rated 40W, 220W and 60W, 220W. The ratio of their resistances will be:
6 / 10
An electric toaster has a power rating of 200 W. It operates for 1 hour in the morning and 1 hour in the evening. How much does it cost to operate the toaster for 10 days at Rs 5 per kW h?
7 / 10
When white light enters a glass prism from air, the angle of deviation is least for
8 / 10
Work of 14 J is done to move 2 C charge between two points on a conducting wire. What is the potential difference between the two points?
9 / 10
Which combination of a 2 Ω resistor and 4 Ω resistor offers the least resistance to current in the circuit?
10 / 10
If n resistors each of resistance R are connected in parallel combination then their equivalent resistance is
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