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The charge on alpha particles is

a) 4.8×10-19C b) 1.6×10-19C c) 3.2×10-19C d) 6.4×100-19C Solution: Charge on an alpha particle is twice the charge of... View Article

Form the plural form of the noun deer

a. deer b. deeres c. dear d. deers Solution: The plural form of deer is deer. The words deer,... View Article

Express as Rupees (Rs) using decimals: 2 rupees 60 paisa

1 paisa = 1/100 Rupees 2 rupees 60 paisa =2 rupees + 60×1/100 rupees =2 rupees + 60/100 rupees =2... View Article

Fill in the blanks: Babar defeated __________ in the first Battle of Panipat. a) Sher Shah b) Babar c) Akbar d) Ibrahim Lodi

Option d) Ibrahim Lodi. The first battle of Panipat was fought on 21 April 1526 in in north India. It... View Article

A body dropped freely from a height h onto a horizontal plane, bounces up and down, and finally comes to rest. The coefficient of restitution is e, the ratio of distance traveled in two consecutive rebounds a) 1:e b) e:1 c) e²:1 d) 1:e²

Option d) 1:e<sup>2</sup>\(\begin{array}{l}\sqrt{\frac{h_{n}+1}{h_{n}}}=e\end{array} \)\(\begin{array}{l}h_{1}=e^{2}h\end{array} \)\(\begin{array}{l}h_{2}=e^{4}h\end{array} \)\(\begin{array}{l}h_{1}:h_{2}=1:e^{2}\end{array} \)

Find the mean of first 10 multiples of 3

First, 10 multiples of 3 are 3,6,9…30.This is an A.P.sum=n/2(a+l)= 10/2 (30+3)Sum = 165Mean u = Sum/n= 165/10= 16.5

Magnetic moment of an atom is the result of a) A change in the orbital motion of the electrons caused by an applied magnetic field b) Electron spin c) Both (1) and (2) d) None of the option

Option c) Both (1) and (2).

Dead sea is situated in which continent a) Africa b) Europe c) Australia d) Asia

Option d) Asia The dead sea also called as salt sea is a landlocked salt lake situated between Israel and... View Article

The conjugate base of h3bo3 is a) HBO32− b) H4BO3+ c) B(OH)4− d) H3BO3−

Option c) B(OH)4−.

The cavity of diocoel is known as a) II-ventricle b) I-ventricle c) III-ventricle d) None of the option

Option c) III-ventricle. Diocoel is the cavity of the developing diencephalon, that later gives rise to the third ventricle of... View Article

Cache memory is intended to provide memory access a) Comparatively Fast b) Fastest c) Very Slow d) Slow

Option b) Fastest.

Ulothrix is a) Attached branched filament b) Colonial alga c) Free-floating d) Attached unbranched filament

Option d) Attached unbranched filament. Ulothrix is a genus of filamentous green algae found in fresh and marine water. Ulothrix... View Article

Which of the following are interstitial carbides a) CaCl2 b) ZrC c) VC d) Option b and c

Option d) Option b and c. Interstitial carbides are derived primarily from relatively large transition metals that act as a... View Article

Resins are a) Soluble in spirit b) Left behind on evaporation of oil c) Used in varnishes d) Not soluble in water

Option c) Used in varnishes. Synthetic resins used in the manufacturing of varnishes are acrylic, alkyd, or polyurethane. Natural resins... View Article

Which one of the following scripts of ancient India was written from right to left? a) Kharoshti b) Latin c) Brahmi d) Devanagari

Option a) Kharoshti.

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