Who invented the Locomotive Engine?
(A) Richard Gatling
(B) E.G. Otis
(C) Richard Trevithick
(D) Sir Humphry Davy
For which invention is Otto Hahn famous?
(A) Atom bomb
(B) Television
(C) X-rays
(D) Miner’s safety lamp
What is the viscosity of an ideal fluid?
(A) Equal to its mass
(B) Equal to its weight
(C) Zero
(D) One
Which of the following creatures is oviparous?
(A) Frog
(B) Rabbit
(C) Mouse
(D) Squirrel
A positively charged body has in it-
(A) deficiency of electrons
(B) deficiency of protons
(C) excess of neutrons
(D) excess of electrons
The current in a Photoelectric cell-
(A) increases on increasing the frequency of incident light.
(B) decreases on increasing the frequency of incident light.
(C) remains unchanged on increasing the intensity of incident light.
(D) increases on increasing the intensity of incident light.
Burns caused by steam are much more severe than those caused by boiling water because-
(A) Steam pierces through the pores of body quickly
(B) Steam has latent heat
(C) Temperature of steam is higher
(D) Steam is gas and engulfs the body quickly
Which of the following is not true about graphene?
(A) Atomic lattice form
(B) Honey Comb Structure
(C) Ellotrope of carbon
(D) 3-Dimensional Structure
Which of the following is hotter?
(A) Boiling water
(B) Steam
(C) Ice
(D) All of the above
_______________ is not a type of heat transfer.
(A) Diffusion
(B) Reflection
(C) Convection
(D) Radiation
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