एकाइ -1वैज्ञानिक अध्ययन set -2

Who is correct regarding the number of dependent and independent variables in an experiment?

• Arya is correct but Eli and Eva are wrong.

• Eli is correct but Arya and Eva are wrong.

• All are correct: Eli and Eva.

• Eva is correct but Arya and Eli are wrong.

Which of the following represents the unit of pressure in pascals?

• kgm/s2

• kgm2/s3

• kg/ms2

• kgm/s

What type of variable is the stretch when using a rubber band to launch a projectile?

• Independent variable

• Dependent variable

• Controlled variable

• Constant variable

Which of the following is a dependent variable when observing the flow rate of water from a stream?

• Amount of twist in the stream's break

• Amount of water fallen per minute

• Water pressure

• Direction of water

What type of variable is the amount of water when determining the effect of temperature on the solubility of sugar?

• Independent variable

• Dependent variable

• Controlled variable

• Constant variable

When presenting the relationship between two variables on a graph, which axis is the dependent variable placed on?

• X-axis

• Y-axis

• X=Y

• All of the above

Which of the following is a unit of resistance?

• Ampere

• Coulomb

• Voltage

• Ohm

Which fundamental unit is involved in the unit of Hertz?

• Meter

• Kilogram

• Second

• Kelvin

Which of the following fundamental units is involved in volume?

• Meter

• Kilogram

• Kelvin

• Second

Which of the following is not a physical quantity?

• Volume

• Stress

• Pressure

• Area