Home
Recent Q&A
Java
Cloud
JavaScript
Python
SQL
PHP
HTML
C++
Data Science
DBMS
Devops
Hadoop
Machine Learning
Ask a Question
Top 100+ questions in CBSE
Home
Questions
CBSE
0
votes
Q: simple interest questions for class 7
asked
Aug 27, 2022
in
Class X
by
Robin
simple-interest
class-7
questions
0
votes
Q: 100 gk questions for class 1
asked
Aug 27, 2022
in
Class X
by
Robin
gk-questions
questions
cbse
class-1
0
votes
Q: class 7 social science chapter 1 question answer
asked
Aug 27, 2022
in
Information Technology
by
Robin
class-7
questions
social-science
chapter-1
0
votes
Q: The value of the gravitational potential at the centre of a ring of radius “a” and mass “M” is _____ (a) zero (b) -(G*M)/a (c) -(G*M)/a^1/2 (d) infinite
asked
Oct 7, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: An object is projected vertically upwards with a velocity (gr) ^1/2. What is the maximum height reached by the object if “R” is the radius of the earth and “g” is the acceleration due to gravity?
asked
Oct 7, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: A planet as a radius “R” and density “P”. The escape velocity of this planet is _____
asked
Oct 7, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: A wire with a radius of 5mm is hung freely from the ceiling. A load of 5N is applied to its free end. Find the elongation in the wire if its volume is 7.85*10^-5m^3 &
asked
Oct 7, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: What is Pascal’s Law?
asked
Oct 7, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: The speed of efflux, in case of a tank with a hole at the bottom, depends upon which of the following factors? Assume that the area of the tank is > > area of hole.
asked
Oct 7, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: A steel and a copper bar are joined end to end. The area of the steel bar is half the area of the copper bar. Their lengths are equal to 10cm each.
asked
Oct 7, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: What is the net amount of energy per unit time being received by a body having a temperature of 40 °C in a surrounding of 60°C?
asked
Oct 7, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: If we hold a metal rod from one end and dip the other in a source of fire, what will happen to the temperature of the rod at steady state?
asked
Oct 7, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: Zeroth law of thermodynamics helped in the creation of which scale?
asked
Oct 7, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: A carnot engine extracts 1200J of energy from a hot reservoir. What is the amount of work done by it? Temperatures of hot and cold reservoirs are 200K and 150K respectively.
asked
Oct 7, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: Which of the following states of matter has the maximum value of mean free path?
asked
Oct 7, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: A force given by: F = -2(x – 1)^2acts on a particle at rest. Select the correct option regarding the same. (a) Force acts on particle along the positive x direction (b) Force is never zero
asked
Oct 7, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: What is the time period of kinetic energy of a particle in SHM,if the time period of SHM is 4s?
asked
Oct 7, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: All waves require material for propagation. True or False?
asked
Oct 7, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: A string has a mass of 100gm & is under a tension of 10N. What should be its length if the speed of transverse waves is to be 10m/s on the string.
asked
Oct 7, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: Why is the speed of longitudinal waves sound in solids greater than that in liquids?
asked
Oct 7, 2021
in
Class X
by
Sandeepthukran
cbse
0
votes
Q: The escape velocity for an object to leave the surface of the earth does not depend on its size, shape, mass or direction of projection of the body. (a) True (b) False
asked
Oct 7, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: Gravitational potential energy can be zero but gravitational potential can never be zero. (a) True (b) False
asked
Oct 7, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: A 4kg eagle picks up a 75g snake and raises it 2.5 m from the ground to a branch. What is the work done by the eagle on the snake? (Assume g = 10 m/s^2)
asked
Oct 6, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: The maximum value of gravitational potential energy is zero.
asked
Oct 6, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: A satellite is seen after every 8 hours. If it rotates opposite to that of the earth, what is its angular velocity about the centre of the earth?
asked
Oct 6, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: Assume that a satellite executes perfectly circular orbits around a perfectly circular sphere. The work done by the satellite in 1 complete revolution is _____
asked
Oct 6, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: A wire has a cross sectional area ‘A’, length ‘L’ and young’s modulus ‘Y’. It is pulled by a force ‘F’ which causes a total extension of length ‘l’. The force F is so adjusted that the wire is only slowly stretched.
asked
Oct 6, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: Viscosity is said to be internal friction between fluid layers. What type of force is it?
asked
Oct 6, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: An ice cube is kept on the surface of an aluminium block and another ice cube on the surface of a plastic block. Both blocks have the same temperature. Select the correct statement.
asked
Oct 6, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
0
votes
Q: Why is mercury used in thermometers?
asked
Oct 6, 2021
in
Class-XI-PHYSICS
by
Sandeepthukran
cbse
Page:
1
2
3
4
...
8
next »
...
