SCIENCE 100

The process of comparing an unknown quantity with known quantity is called :

      

• (a) Load                

• (b)  Effort            

• (c) Measurement               

• (d)  Weighing

Tags

NGSS.MS-PS1-2

Which basic units are involved in dioptre unit ?

         

• (a) kg, m , sec, A        

• (b)   m

• (c) kg , m .N  

• (d) kg, sec, N

Which one is the unit of intensity of sound ?       

•    (a) Watt         

• (b)  deciball        

•  (c)     pascal          

•   (d)  Ampere

Tags

NGSS.HS-PS4-5

How many inch  in 1 yard?         

• (a) 20 inch.              

• (b) ) 25 inch.             

•  (c) ) 36 inch..  

•   (d) ) 39 inch.

The product of  1gm and 1cm/s² is called           

• (a) 1 joule             

• (b) 1 Newton               

• (c)  1 Pascal          

• (d) 1 dyne

Tags

NGSS.HS-PS2-1

A force, when acting on an object of 1 kg mass, produces acceleration of 1m/s2 in it is known  as:                    

•   (a) 1 Watt power       

•  (b) 1 Joule energy        

•  (c) 1 Pascal pressure       

•  (d) 1 Newton force

Tags

NGSS.MS-PS2-2

On which place of earth the value of g is more of the following  ?        

• (a) Equator                      

•   (b) Center                    

• (c) pole                

•  (d) Hilly region

An object of mass 30 kg is taken to a height  “h” where g = 5m/s² , there its mass is :           

• (a)  5 kg                      

• (b) 6 kg                          

•  (c) 15 kg                        

• (d) 30kg

Distance of moon from earth is         

• (a) 3.84 × 10⁸ m           

• (b) 3.84 × 10⁸ km         

• (c) 1.5 ×10⁸ km            

•  (d) 6 × 10⁸ m

Tags

NGSS.MS-ESS1-3

A cylindrical object of wood weighs 10 N on earth and 1.6 N on moon. Its mass is        

• (a) 1 kg         

• (b) 16 kg          

•   (c) 8.4 kg              

•  (d) 6.25 kg

Tags

NGSS.MS-PS2-2