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2,3,4, 5, 6, 7, 8, 12, 9, 12, 5, 12 In an order- 2,3,4,5,5,6,7,8,9,12,12,12 n =12 Mode =12 (3 times) Mean = (n/2 +1) th term. Mean =12/2 +1=7th term. 7th term is 7. so mean =7. Difference between mode and mean =12-7=5.
A parallel plate capacitor is half-filled with a dielectric slab (K = 4). What is its effective capacitance, assuming plate separation d?
What is the main difference between alternating current (AC) and direct current (DC)?
The half-life of a radioactive substance is 10 days. The time in which only 1/8th of the original substance remains is:
What is the minimum escape velocity of rocket to be launched into space?
Which of the following is the principle behind the working of a hydraulic press?
A body is thrown vertically upward with a velocity of 20 m/s. What will be its velocity at the highest point?
What happens to the resistance of a wire if its length is doubled?
A train approaches a stationary observer with a speed of 36 km/h. It emits a sound of frequency 500 Hz. If the speed of sound is 340 m/s, what is the ap...
Which of the following is an alpha particle which is emitted in radioactivity?
A rod PQ of length 0.6 m moves on smooth rails with speed 3 m/s in a magnetic field B = 0.5 T. The rails form a closed circuit with 4 Ω resistance. Fin...
