1. What amount of will be accumulated in the cathode if 1F charge is passed? Al
A. 1 molB. 1 2 molC. 3 molD. 1 3 mol
2. In which two steps of Carnot cycle does the change in internal energy be zero?
A. 1st and 2nd stepB. 1st and 3rd stepC. 2nd and 4th stepD. 3rd and 4th step
3. When an s orbital and a p orbital undergo hybridization, we get-
A. Two mutually perpendicular orbitalsB. Two orbitals at 180∘C. Four orbitals directed tetrahedrallyD. Three orbitals in a plane
4. If the 3rd harmonic of a sound has a frequency of 2000 kHz, then the fundamental tone will be-
A. InfrasonicB. UltrasonicC. HypersonicD. Supersonic = 2000 3 kHz = 666.67 kHz
5. What is the path difference for destructive interference?
A. nλB. nλ 2C. (2n + 1) λ 2D. (n + 1) λ 2 λ 2
6. Which chemical substance is responsible for the color of mehndi?
A. -terpineol αB. ParabenC. GeraniolD. Lawsone