Wytopp Science Review

• 16/15

• 1/15

• 256/15

• 1

• 15/256

Which lamps will give light when all of the switches are closed?

• Only K

• Only L

• K and L

• L and M

• None

Tags

NGSS.HS-PS2-5

Which switches should be closed so that all the lamps give out light?

• None

• Only 3

• 1 and 2

• 2 and 3

• 1 and 3

Find the current passing through the circuit.

• 3

• 5

• 7

• 11

• 13

Which of the followings will be attracted by the magnet?

• Iron nail

• Glass marble

• Nylon thread

• Woolen cloth

• Copper penny

Tags

NGSS.HS-PS3-5

Overhead view of a pipe is given in the figure. A fluid with a negligible viscosity flowing through it. At which point fluid flow has the highest velocity?

• 1

• 2

• 3

• 4

• 5

The pressure of a gas is measured by using a mercury manometer as shown in the figure. Find the pressure of the gas in cm-Hg.

• 64

• 72

• 80

• 84

• 88

• 10

• 20

• 30

• 40

• 50

Tags

NGSS.MS-PS1-2

• Increases, Decreases

• Remains same, Decreases

• Decreases, Remains same

• Decreases, Increases

• Increases, Remains same

An object is hung to a dynamometer and then submerged in a liquid gradually. Which of the following is correct for the weight of the object read on the dynamometer?

• It remains the same.

• First increases then decreases.

• No change occurs until it is totally submerged in liquid.

• First decreases, then remains the same.

• First decraes then increases.

Tags

NGSS.MS-PS2-2