ranjeet shahi classes

7/29/2019 ranjeet shahi classes

1/10

SCO 48, IInd Floor, Sector 20 C, CHANDIGARH Ph:2725748, 3040660SCF 72, Sector 10 Panchkula Ph: 3914844

Admission

TestSample Paper

For

+1 Batch1. How do you compare the pitch of Wave - A and Wave - B?(a) Frequency of Wave-A > Frequency of Wave-B

(b) Frequency of Wave-A < Frequency of Wave-B

(c) Frequency of Wave-A = Frequency of Wave-B

(d) Can not tell by the picture

B

Instruction


2/10


2. What happens to the molecules of a liquid when heated?

(a) They become less active and may freeze (b) They become more active and may break away from liquid

(c) They become less active and may break away from liquid (d) Heat does not effect liquid

B

3. What image shown goes in the box?

(a)

(b)

(c)

(d)

C

4. To change the oil on an ATV, the mechanic uses a hydraulichoist to lift it up. The diagram below models how a

hydraulic hoist works. To lift a vehicle, a hydraulic hoist

must create an upward

(a) force equal to the downward force of the vehicle

(b) force greater than the downward force of the vehicle

(c) pressure less than the downward pressure of the vehicle

(d) pressure greater than the downward pressure of the

vehicle

B

5. The picture shows a model of the element

(a) Fluorine (b) Helium

(c) Beryllium (d) Oxygen

C

6. A baseball strikes the roof of a car and dents it. The paint on the roof begins to crack and chip, exposing the metal. Theexposed metal on the roof rusts, eventually causing a small hole in the roof. Which event is a chemical change?

(a) The baseball strikes the roof. (b) The roof of the car dents.

(c) The paint cracks and chips. (d) The exposed metal rusts.

D


3/10


7. An object accelerates at 3 meters per second2 when a 10-newton (N) force is applied to it. Which force would cause this

object to accelerate at 6 meters per second2?

(a) 5 N (b) 20 N (c) 10 N (d) 30 N

C

8. The graph below shows the heating curve for substance X. Atapproximately which temperature does a phase change begin?

(a) 30C (c) 0C

(b) 10C (d) 18C

B

9. The diagram below shows a rock suspended above anoverflow container filled with water up to the overflow spout.

A graduated cylinder is positioned next to the container to

collect water that comes out of the overflow spout. Whichproperty of the rock can be directly determined when the rock

is placed in the overflow container?

(a) mass

(b) volume

(c) density

(d) hardness

B

10. The diagram below shows water being heated in a flask. The flaskhas a rubber stopper with a glass tube extending through it. The

current level of the water in the glass tube is indicated. The

temperature of the water is 25C.

If heating continues, the water in the glass tube will most likely

(a) turn into a solid (b) become more dense

(c) move into the flask (d) rise higher in the tube

D

11. The diagram below shows a spinning water sprinkler. Water comes through a hose and is sprayed by the sprinkler. A


4/10


Which principle best explains why the sprinkler spins?

(a) Every action has an equal and opposite reaction.

(b) Solid substances are usually more dense than liquid substances.

(c) Energy is released when water condenses.

(d) Most substances expand when heated and contract when cooled.

12. The gravitational force between the Moon and Earth depends on

(a) their masses, only (b) their diameters, only

(c) their masses and how far apart they are (d) their diameters and how far apart they are

C

13. A converging and a diverging lens, each with a focal length of 30 cm, are arranged so that they are separated by 60 cm. If acandle is placed 90 cm to the left of the converging lens, where is the image produced by the diverging lens?

(a) 30 cm to the right of the diverging lens (b) 10 cm to the left of the diverging lens

(c) 18 cm to the left of the diverging lens (d) 90 cm to the right of the diverging lens

B

14. The rectangle ABCO has one vertex at O, the center of a circle, and a second vertex A is 2cm from the edge of the circle. The vertex A is also a distance of 7 cm from C. What is the

radius of the circle?

(a) 5 cm (b) 6 cm

(c) 7 cm (d) 8 cm

C


5/10


15. From the top of a cliff 60 m above a river, angles are

measured as shown in the diagram below. Calculate thewidth, w, of the river.

(a) 58 m

(b) 62 m

(c) 83 m

(d) 104 m

B

16. Which of the following describes the changes that take place in the nucleus of an atom as a result of alpha () decay?

Number of Protons Number of Neutrons Number of Protons Number of Neutrons

(a) decrease by 2 decrease by 4 (b) decrease by 2 decrease by 2

(c) increase by 1 decrease by 1 (d) increase by 2 decrease by 2

B

17. Which circuit diagram represents theillustration?

D


6/10


18. The diagram below shows a boy observing a fish located at positionB

below the surface of the water. The boy sees the fish at positionA.

The apparent position of the fish is different from the actual position

of the fish. What has happened to the light passing through the water

to cause this difference?

(a) reflection (b) diffraction

(c) interference (d) refraction

D

19. What must the radius be, in centimeters, of Sphere I in orderfor there to be an equal volume of water in each sphere?

(a) 22 cm (b) 32 cm

(c) 34 cm (d) 38 cm

C

20. A semicircle of diameter 1 sits at the top of a semicircle of diameter 2 as shown. The shadedarea inside the smaller semicircle and outside the larger semicircle is called a lune. The area of

this lune is?

(a)3 1

4 12 (b)

3 1

4 24 (c)

3 1

4 24+ (d)

3 1

4 12+

B

21. Which setup below would require the leastforce to lift a 100-gram mass a distance of 10 centimeters? A

22. Each principal of Lincoln High School serves exactly one 3-year term. What is the maximum number of principals thisschool could have during an 8-year period?

(a) 2 (b) 3 (c) 4 (d) None of these

C


7/10


23. Pick the right statement:

(a) The limiting catalyst is used up completely in a chemical reaction.(b) Limiting products are used up completely in a chemical reaction.

(c) Chemical reactions completely use up the limiting reactants.

(d) In a chemical reaction, total masses of reactants taken at the beginning are converted into products at the end.

C

24. The diagram below shows a boulder rolling down a hill into avalley and then up the opposite hill. At which position does the

boulder have the greatest kinetic energy?

(a)A (b) C

(c)B (d)D

B

25. 90.00 gram of water contain:

(a) 90 hydrogen atom (b) 180 hydrogen atom

(c) 6.023 x 1023 hydrogen atom (d) 6.023 x 1024 hydrogen atom.

D

26. A uniform 16 m long plank weighing 350 N rests onsupports 8.0 m apart. An 850 N man walks along the

plank to the right.

How far past point B can the man walk before the plank

tips?

(a) 0.82 m (b) 1.6 m

(c) 2.5 m (d) 3.3 m

B

27. A function machine uses a rule to change numbers into other numbers. The picture below shows what happened when thenumbers 4, 12, and 7 went into the machine.

What number will come out of the last machine?

(a) 63 (b) 68 (c) 70 (d) 74

B


8/10


28. What is the measure of interior angle ABC of the regular polygon shown?

(a) 225o (b) 180 o

(c) 160 o (d) 144 o_

D

29. An object is dropped from a certain height h and it takes time t1 second to reach to the ground. If the same object isthrown upward to reach the same height h it takes time t2 second. If air resistance is taken into account then:

(a) t1 = t2 (b) t1 > t2 (c) t1 < t2 (d) t1 = t2/2

B

30. Look at the pattern in the right margin. Which of the following shows the same kind ofpattern?

B

31. Which of these is the general formula for a double-replacement reaction?

(a) A + B AB (b) AB + XY BA + YX

(c) AB + XY AY + XB (d) A + B + XY AX + BY

C

32. The locations of three water-pumping stations form a triangle on a map of the area.The distance from stationA to stationB is 650 meters. The distance from stationB

to station Cis 558 meters. The distance from stationA to station Cis

(a) Less than 92 m (b) exactly 92 m

(c) between 92 m and 1,208 m (d) greater than 1,208 m

C

33. Consider the diagram on right:

By what distance the man will have to move to push the plank so that the end

B comes over the roller? Assume no slipping at any contact.

(a) l (b) l /2

(c) 1.5 l (d) 2 l

D


9/10


34. Which of the following piece will completes the cube drawn in the right margin? D

35. In the following diagram, the bigger spheres representCesium(Cs) atom and the smaller one represent Lithium(Li)

atom. If radius of a Cs is 2.6 , the radius of a Li atom isclosest to:

(a) 1.30 (b) 1.60

(c) 2.00 (d) 2.45

C

Section B

36. Which of the following quantities changes when light passes from a vacuum into a slab of glass with a 45 angle ofincidence?

(a) its frequency (b) its wavelength (c) its speed (d) its direction of

travel

B

C

D

37. In which of the following pairs, there are more atoms in first than in second?

(a) 4.5 g H2O; 2.0 g H2 (b) 3.0 g of He ; 6.0 g C (c) 4.0 g O2; 4.0 g C (d) 2.0 g ice; 1.8 g

water

B

D

38. Which of the following terms and description are correctly matched:

(a) Isotopes: Have same number of protons (b) Isotones: Have same number of neutrons

(c) Isobars: Have same atomic numbers (d) Isomers: Have same chemical compositions

A

B

D

39. Which of the following elements and their important ores are correctly matched?

(a) Iron Magnetite (b) Ilmenite Ti (c) Feldspar Al (d) Wolfarmite Tungeston

A

B

D

40. Which of the following concentration units remains unchanged on changing temperature of solution?

(a) Molarity (M) (b) Molality (m) (c) Normality (N) (d) Mole-fraction(x)

B

D


10/10


41. Which of the following is true about atomic weight of an element?

(a) It has no dimension. (b) It is weight of a single atom

(c) It is a factor by which an atom is heavier than 1/12th part by weight of an atom of C12 isotope.

(d) It is a factor by which an atom is heavier than weight of an atom of C12

isotope

A

C

Comprehension-1: For a chemical reaction: A Product

the following equation hold true

1 1 1k

t a x a

=

where k is a constant (in mol-1

sec-1

unit) and a and (a x) are the concentrations of A at the start and aftertime interval t seconds. Answer the following three questions (42-44)based on these information.

42. A graph between (a x)-1

and time t is of the type: C

43. The value of constant k is:

(a) -1.0 (b) 1.73 (c) 0.577 (d) 0.00

C

44. If OP is 0.01 mol-

then initial concentration a is:

(a) 0.01 mol (b) 10 mol (c) 0.10 mol (d) 100 mol

D

Comprehension-2:

The following figure shows the plots of four transverse waves having same wave velocities at an instant.Answer the following three questions (45-47)based on the information provided in the figure.

45. The wave of largest amplitude is:

(a) a (b) b (c) c (d) d

D

46. The wave of largest wavelength is:

(a) a (b) b (c) c (d) d

B

47. The wave of highest frequency is:

(a) a (b) b (c) c (d) d

C

ranjeet shahi classes

Documents