BITSAT Practice Test - 18 - JEE MCQ

$200\Omega$, 0.55 henry

$100\Omega$, 0.86 henry

$200\Omega$, 1.0 henry

$100\Omega$, 0.93

Fission

α - decay

Fusion

Chain reaction

16.11 amp

1.611 amp

0.1611 amp

2.6 amp

1/9

1/27

1/6

1/8

Minimum wavelength decreases

Minimum wavelength increases

Intensity decreases

Intensity increases

R

R/4

R/5

R/25

n(φ₂−φ₁)/Rt

n(φ₂−φ₁)/5Rt

(φ₂−φ₁)/Rnt

(φ₂−φ₁)/5Rnt

1

10

100

1000

10 μF

15 μF

20 μF

30 μF

l/L

l/L+l

l/L-1

L/L+1

28^o K

20^o K

15^o K

10^o K

Gas has weight

Gas molecules have momentum

Gas molecules collide with each other

Gas molecules collide with the walls of the container

4 r

2 r

r/4

r/2

M

π M

π M²

2M/π

3 cm³−s⁻¹

6 cm³−s⁻¹

12 cm³−s⁻¹

24 cm³−s⁻¹

rise

fall

remains same

may rise or fall

200 N

400 N

600 N

800 N

Truck will cover less distance before rest

Car will cover less distance before rest

Both will cover equal distance

None

a vertically falling object

motion of blades of a rotating fan

motion in a vertical circle

motion of an electron in the atom

π/30

2π

π

60/π

The back of seat suddenly pushes the passengers forward

Inertia of rest stops the train and takes the body forward

Upper part of the body continues to be in the state of motion whereas the lower part of the body in contact with seat remains at rest

Nothing can be said due to insufficient data

wavelength of light has to be decreased

aperture of the objective has to be increased

focal length of the objective has to be increased

both aperture of the objective and focal length has to be increased

ν=2 gh

ν=√h/g

ν=√2gh

ν=gh

sin² ωt

sin ωt- cos ωt

sin ωt+ sin 2 ωt

sin ωt- sin 2 ωt

Plane mirror

Convex mirror of focal length 2 f

Convex mirror of focal length f/2

None of the above

Increase moment of inertia

Decrease moment of inertia

Decrease the angular momentum

Reduce the angular velocity

Becomes Zero

Increases

Decreases

Remains same

30^o

45^o

60^o

90^o