FST 4
TEST SERIES (PHYSICS FST)

266264 Three blocks are connected by an inextensible string as shown in figure, on a horizontal frictionless table and pulled to right with a force \(F\) \(=60 \mathrm{~N}\). If \(\mathrm{m}_1=10 \mathrm{~kg}, \mathrm{~m}_2=20 \mathrm{~kg}\) and \(\mathrm{m}_3=30 \mathrm{~kg}\), then tension \(\mathrm{T}_2\) in string is:

1 10 N
2 20 N
3 30 N
4 60 N
TEST SERIES (PHYSICS FST)

266265 Steam is passed into 22 g of water at \(20^{\circ} \mathrm{C}\). What mass of water will be present when the water is at \(90^{\circ} \mathrm{C}\) ? (latent heat of steam \(=2260 \mathrm{~J} \mathrm{~g}^{-1}\), specific heat of water \(=4.2 \mathrm{~J} \mathrm{~g}^{10} \mathrm{C}^{-1} \mathrm{y}\) :

1 36.6 g
2 26.2 g
3 25.0 g
4 24.8 g .
TEST SERIES (PHYSICS FST)

266266 A system exhibiting SHM must possess:

1 Inertia only
2 Elasticity as well as inertia
3 Elasticity, inertia and an external force
4 Elasticity only
TEST SERIES (PHYSICS FST)

266282 Light from a point source in air falls on a spherical glass surface \(\boldsymbol{n}=1.5\) and radius of curvature \(=20\) cm ). The distance of the light source from the glass surface is 100 cm At what position the image is formed.

1 50 cm from glass surface in the direction of incident light
2 50 cm from glass surface in the opposite direction of incident light
3 100 cm from glass surface in the direction of incident light
4 100 cm from glass surface in the opposite direction of incident light
TEST SERIES (PHYSICS FST)

266264 Three blocks are connected by an inextensible string as shown in figure, on a horizontal frictionless table and pulled to right with a force \(F\) \(=60 \mathrm{~N}\). If \(\mathrm{m}_1=10 \mathrm{~kg}, \mathrm{~m}_2=20 \mathrm{~kg}\) and \(\mathrm{m}_3=30 \mathrm{~kg}\), then tension \(\mathrm{T}_2\) in string is:

1 10 N
2 20 N
3 30 N
4 60 N
TEST SERIES (PHYSICS FST)

266265 Steam is passed into 22 g of water at \(20^{\circ} \mathrm{C}\). What mass of water will be present when the water is at \(90^{\circ} \mathrm{C}\) ? (latent heat of steam \(=2260 \mathrm{~J} \mathrm{~g}^{-1}\), specific heat of water \(=4.2 \mathrm{~J} \mathrm{~g}^{10} \mathrm{C}^{-1} \mathrm{y}\) :

1 36.6 g
2 26.2 g
3 25.0 g
4 24.8 g .
TEST SERIES (PHYSICS FST)

266266 A system exhibiting SHM must possess:

1 Inertia only
2 Elasticity as well as inertia
3 Elasticity, inertia and an external force
4 Elasticity only
TEST SERIES (PHYSICS FST)

266282 Light from a point source in air falls on a spherical glass surface \(\boldsymbol{n}=1.5\) and radius of curvature \(=20\) cm ). The distance of the light source from the glass surface is 100 cm At what position the image is formed.

1 50 cm from glass surface in the direction of incident light
2 50 cm from glass surface in the opposite direction of incident light
3 100 cm from glass surface in the direction of incident light
4 100 cm from glass surface in the opposite direction of incident light
TEST SERIES (PHYSICS FST)

266264 Three blocks are connected by an inextensible string as shown in figure, on a horizontal frictionless table and pulled to right with a force \(F\) \(=60 \mathrm{~N}\). If \(\mathrm{m}_1=10 \mathrm{~kg}, \mathrm{~m}_2=20 \mathrm{~kg}\) and \(\mathrm{m}_3=30 \mathrm{~kg}\), then tension \(\mathrm{T}_2\) in string is:

1 10 N
2 20 N
3 30 N
4 60 N
TEST SERIES (PHYSICS FST)

266265 Steam is passed into 22 g of water at \(20^{\circ} \mathrm{C}\). What mass of water will be present when the water is at \(90^{\circ} \mathrm{C}\) ? (latent heat of steam \(=2260 \mathrm{~J} \mathrm{~g}^{-1}\), specific heat of water \(=4.2 \mathrm{~J} \mathrm{~g}^{10} \mathrm{C}^{-1} \mathrm{y}\) :

1 36.6 g
2 26.2 g
3 25.0 g
4 24.8 g .
TEST SERIES (PHYSICS FST)

266266 A system exhibiting SHM must possess:

1 Inertia only
2 Elasticity as well as inertia
3 Elasticity, inertia and an external force
4 Elasticity only
TEST SERIES (PHYSICS FST)

266282 Light from a point source in air falls on a spherical glass surface \(\boldsymbol{n}=1.5\) and radius of curvature \(=20\) cm ). The distance of the light source from the glass surface is 100 cm At what position the image is formed.

1 50 cm from glass surface in the direction of incident light
2 50 cm from glass surface in the opposite direction of incident light
3 100 cm from glass surface in the direction of incident light
4 100 cm from glass surface in the opposite direction of incident light
TEST SERIES (PHYSICS FST)

266264 Three blocks are connected by an inextensible string as shown in figure, on a horizontal frictionless table and pulled to right with a force \(F\) \(=60 \mathrm{~N}\). If \(\mathrm{m}_1=10 \mathrm{~kg}, \mathrm{~m}_2=20 \mathrm{~kg}\) and \(\mathrm{m}_3=30 \mathrm{~kg}\), then tension \(\mathrm{T}_2\) in string is:

1 10 N
2 20 N
3 30 N
4 60 N
TEST SERIES (PHYSICS FST)

266265 Steam is passed into 22 g of water at \(20^{\circ} \mathrm{C}\). What mass of water will be present when the water is at \(90^{\circ} \mathrm{C}\) ? (latent heat of steam \(=2260 \mathrm{~J} \mathrm{~g}^{-1}\), specific heat of water \(=4.2 \mathrm{~J} \mathrm{~g}^{10} \mathrm{C}^{-1} \mathrm{y}\) :

1 36.6 g
2 26.2 g
3 25.0 g
4 24.8 g .
TEST SERIES (PHYSICS FST)

266266 A system exhibiting SHM must possess:

1 Inertia only
2 Elasticity as well as inertia
3 Elasticity, inertia and an external force
4 Elasticity only
TEST SERIES (PHYSICS FST)

266282 Light from a point source in air falls on a spherical glass surface \(\boldsymbol{n}=1.5\) and radius of curvature \(=20\) cm ). The distance of the light source from the glass surface is 100 cm At what position the image is formed.

1 50 cm from glass surface in the direction of incident light
2 50 cm from glass surface in the opposite direction of incident light
3 100 cm from glass surface in the direction of incident light
4 100 cm from glass surface in the opposite direction of incident light