The key difference between silk and wool is their ability to retain warmth. Although fabrics made from both silk and wool retain warmth, wool is... View Article
Two point charges A and B, having charges +Q and -Q respectively, are placed at certain distance apart and force acting between them is F. If 25%... View Article
The leaves and twigs of peepal tree are smooth, shiny, slightly leathery, and broadly oval and suddenly tapers at the apex into a long tail and... View Article
On heating liquid Sulphur, its viscosity _____. (A) decreases (B) increases (C) first increases and then decreases (D) first decreases and then... View Article
The passage of an electric current through a solution causes _____ effects. (A) physical (B) chemical (C) biological (D) none of the above... View Article
Heat evolved during chemisorption lies in the range of _____. (A) 20 to 40 (B) 40 to 80 (C) 80 to 240 (D) 20 to 100 Answer: (C) 80 to 240... View Article
Which of the following is correct about astronomical telescope? (a) The image produced by the telescope is inverted (b) Its objective is a... View Article
A string of length l is fixed at both ends. H is vibrating in its 3rd overtone with maximum amplitude a. What is the amplitude at a distance l/3... View Article
Solution: Modify the equation as follows: y = (12 - 2x)/3 For x = 0, y = 4, therefore, (0, 4) lies on the graph. Similarly, for y = 0, x = 6,... View Article
The pulp cavity of teeth is lined by _____. (A) Osteoblast (B) Chondrobast (C) Odontoblast (D) Amylobast Answer: (C) Odontoblast The pulp... View Article
Which of the following soils is richest in Hummus? (A) Loamy Soil (B) Clayey Soil (C) Sandy Soil (D) Both A and B are correct Answer: (B) Clayey Soil... View Article
One can remove chlorophyll by following the below steps in order: Pour a cup of rubbing alcohol into a glass. Place the glass in the middle of a... View Article
(a) The loudness of sound is defined by the amplitude of the sound wave. (b) The pitch of the sound is determined by the frequency of the wave.... View Article
Diffused light is a faint light with neither glare nor the intensity of direct light. It is diffused and emanates from all directions. Therefore,... View Article
Two metal wires of identical dimension are connected in series. If σ1 and σ2 are the conductivities of metal wires respectively, the effective... View Article