What Affects Lung Volume?
There are many physiological factors that affect lung volume. These include: Age Weight Height Gender Physical activity Underlying medical conditions... View Article
Latest Posts
What Animal Can Hold Breath For 6 Days?
Wyochernes asiaticus, a miniscule arachnid, is known to hold its breath underwater for weeks at a time. The only mammal... View Article
Factorise x^4+x^2+1
Answer: \(\begin{array}{l}x^4+x^2+1\end{array} \) \(\begin{array}{l}(x^4+2x^2+1)-x^2\end{array} \) \(\begin{array}{l}(x^2+1)^2-x^2\end{array} \) \(\begin{array}{l}(x^2+1-x)(x^2+1+x)\end{array} \) \(\begin{array}{l}(x^2-x+1)(x^2+x+1)\end{array} \)
01 June 2021: UPSC Exam Comprehensive News Analysis
CNA 1st June 2021:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related B. GS 2 Related POLITY AND... View Article
Draw a circuit diagram to verify ohms law.
Ohm’s law states that the voltage across a conductor is directly proportional to the current flowing through it, provided all... View Article
A coil having 500 square loops each of side 10 cm is placed normal to a magnetic field which increases at the rate of 1 T s^−1. The induced e.m.f. is? (A) 0.1V (B) 5.0V (C) 0.5V (D) 1.0V
Answer: (B) 5.0V Given, number of coil turns = 500 Side of square loop, l = 10cm = 0.1m Rate... View Article
Magnetic tape can serve as:(A) Input Media (B) Output Media (C) Secondary Storage devices (D) None of the above
Answer: (C) Secondary storage media
Hall effect is used to measure?
A Hall-effect sensor is a device to measure the magnitude of a magnetic field. Learn more: Applications of hall effect
Why a magnet can act from distance?
A is an object that attracts other materials such as iron and steel. The force exerted by a magnet is... View Article
What is threshold energy?
The minimum Kinetic energy that all colliding molecules must have in order to make the effective collisions between two reactant... View Article
The force between two charge bodies is called?
The force between two charged bodies is called electrostatic force. Explanation Electrostatic forces are attractive or repulsive forces between particles that are... View Article
Generally the warm ocean currents originate near? (A) Poles (B) Lakes (C) Equator (D) None of these
Answer: (C) Equator
The rising air bubble in water increases in size. why ?
The pressing factor under a fluid surface fluctuates with depth. On the increase of depth, the pressure also increases. Subsequently,... View Article
A body can be negatively charged by: (a) Giving excess of electrons to it (b) Removing some electrons from it (c) Giving some protons to it (d) Removing some neutrons from it
Electric charges are of two types. Positive charge and negative charge. An object is negatively charged if it gains excess... View Article
A block of mass10 kg is moving in x-direction with a constant speed of 10 m/s. It is subjected to a retarding force F=0.1xJ/m during its travel from x=20m to x=30cm. Its final kinetic energy will be : (A) 450J (B) 475J (C)250J (D) 275J
Answer: (B) 475 J Initial K.E. = 1/2 mv2 = 1/2 (10) (10)2 = 500J Retarding force, at x =... View Article
Define: 1 volt, Potential difference, Ohm’s law in easy language
Ohm’s law: Ohm’s law states that the voltage across a conductor is directly proportional to the current flowing through it,... View Article
What is the SI unit of electric charge?
The SI unit of electric charge is coulomb
State Ohms Law
Answer: Ohm’s law states that the potential difference, V, across the ends of a given metallic wire in an electric... View Article
An incompressible liquid flows through a horizontal tube as shown in figure. Then the velocity v of the fluid is:
As per the given diagram: Q = Q1 +Q2 3A = 1.5A + 1.5A.V 1.5A = 1.5A.V V = 1m/s... View Article
The ozone layer restricts: (A) Ultraviolet radiation (B) X-rays and gamma rays (C) Infrared radiation (D) Visible light
Answer: (A) Ultraviolet radiation The ozone layer restricts ultraviolet radiation.
