Question

Class 9th UT 2
New bal bharti public school noida
*Required
YOUR NAME *

Krish kumar
FATHER NAME *

Rajkumar
MOBILE NUMBER *

7678579420
The gravitational potential energy of an object is due to
0 points
its mass
its acceleration due to gravity
its height above the earth's surface
all above
If the velocity of a body is doubled its kinetic energy
1 point
gets double
gets half
does not change
become 4 times
One unit of electrical energy is equal to
1 point
3.6*10^6 J
3.6*100000J
36*1000J
none
Certain force acting on a 20kg mass changes it's velocity from 5m/s to 2m/s. Calculate the work done by the force.
2 points

Your answer
The ball is thrown up, the value of ‘g’ will be
1 point
0
-ve
+ve
none
The mass of the body on moon is 40kg, what is the weight on the earth.
1 point
392N
240N
180kg
none
The formula for quicklime is
1 point
CaO
CAO
Cao
cao
Mass of an object is 10kg. What is its weight on the earth? Take g=10m/s^2
2 points
90N
100N
98N
90KG
The distance between two bodies becomes 6 times more than the usual distance. The the F becomes
1 point
36
6
12
1/36
The connective tissue that connects muscle to bone is called
1 point
ligament
tendon
nervous tissue
all above
Xylem and phloem are examples of
1 point
epidermal tissue
protective tissue
simple tissue
complex tissue
The tissue that helps in the movement of our body are
1 point
musclar tissue
skeletal tissue
nervous tissue
all
Cartilage and bone are types of
1 point
connective tissue
epithelial tissue
meristematic tissue
muscular tissue
The electronic configuration of chlorine is
1 point
2,8,7
2,8,8
2,5,10
17
The electrons present in the outermost shell are called
1 point
valence e-
valency e-
valence shell
octate e-
The atomic number of sodium is 11 and its mass number is 23. It has
1 point
11 neutrons and 12 protons
12 protons and 11 electrons
11 electrons and 12 neutrons
12 electrons and 11 neutrons
The isotope used to remove the brain tumours and treatment of cancer is
1 point
Co-60
U 235
Iodine
Na 24
The valency of nitrogen in NH3 is
1 point
3 electrons
3
2
1
The symbol of cadmium is
1 point
Cd
CD
Ca
C
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Answer 1

Answer:

cannot get what u are trying to convey