Eduranet Intellectual Olympiad Exam Science and Research Skills Class X Sample Question Paper : intellectualolympiad.com
Organisation : Eduranet Intellectual Olympiad Foundation
Exam : Eduranet Intellectual Olympiad Exam
Document Type : Sample Question Papers
Subject : Science and Research Skills
Class : Class X
Website : http://www.intellectualolympiad.com/preparation/model-papers/
Download Model Paper :
Prelims : https://www.pdfquestion.in/uploads/9079-scipre.pdf
Final : https://www.pdfquestion.in/uploads/9079-scifin.pdf
Science and Research Skills Sample Question Papers:
Science & Research Test :
Max. Marks : 75
Duration : 75 Mins.
General Instructions :
1. Please find the Answer Sheets (OMR) with in the envelop given to you.
2. Mention your Test Code, Student ID, Name, Class, Section and School Name on the OMR Sheet as per Question Paper and Hall Ticket.
Related / Similar Question Paper :
Eduranet Intellectual Olympiad Advanced Mathematics Skills Question Paper
3. This question paper contains 75 Questions, duration is 75 minutes.
4. Do rough work in the empty sheet provided along with this question paper.
5. Answer questions in OMR sheet only.
6. Don’t write or tick anything on the question paper.
7. Use only Black or Blue Ball Point Pen or Dark Pencil to answer the question in OMR sheet.
8. Indicate the correct answer by darkening one of the 4 or 5 responses provided.
9. Submit only OMR sheet to the invigilator
Class – X :
1. When viewed vertically a fish appears to be 4 meter below the surface of the lake. If the index of refraction of water is 1.33, then the true depth of the fish is
a) 5.32 metres
b) 3.32 metres
c) 4.32 metres
d) 6.32 metres
2. An object is placed in front of a concave miror of focal lenth 50.0 cm and a real image is formed 75 cm in front of the mirror. How far is the object from the mirror
a) 25 cm
b) 30 cm
c) 150 cm
d) -150 cm
3. What is magnification of an object if it is placed at a distance of 30 cm in front of a concave lens of focal length 60 cm
a) 3/2
b) 2/3
c) –2/3
d) –3/2
4. If the correct camera exposure for a certain scene is of a second when the diaphragm is set at what exposure time is required at ?
a) 0.14 s
b) 0.16 s
c) 0.18 s
d) 0.20 s
5. Suppose a small angled prism of 60 deviates a ray through 30, then the refractive index is:
a) 0.1
b) 0.5
c) 1.0
d) 1.5
6. You are under the water in a clear lake looking at thesurface and see the image of a fish due to total internal reflection. What is the minimum angle that the light leaving the fish makes with the normal to the surface of the lake?
a) 420
b) 530
c) 490
d) 370
7. The following ‘precautions’ were listed by a student in the experiment on study of ‘dependence of current on potential difference’:
a) Use copper wires as thin as possible for making connections.
b) All the connections should be kept tight.
c) The positive and negative terminals of the voltmeter and the ammeter should be correctly connected.
d) The ‘key’ in the circuit, once plugged in, should not be taken out till all the observations have completed.
The ‘precautions’ that need to be corrected and revised are:
a) (A), (C) and (E)
b) (C) and (E)
c) (B) and (E)
d) (A) and (E)
8. Two students are using the circuits shown here. They are doing the experiment to find the equivalent resistance of a
a) Series combinatiion and a parallel combination, respectively of the two given resistors
b) parallel combination and a series combination respectively of the two given resistors
c) series combination of two given resistors in both the cases
d) parallel combination of the two gives resistors in both the cases
10. An electric kettle is rated at 230 V, 1000 W. What is he resistance of its element and what maximum current can pass through it?
a) 4.35 A
b) 6.46 A
c) 7.40 A
d) 9.36 A
11. If a charge of 1.6 × 10-19 culomb flows per second through any cross section of any conductor, the current constitute will be
a) 2.56 × 10-19 A
b) 6.25×10-19 A
c) 1.6 × 10-19 A
d) 3.2 × 10-19 A
12. In a wire of length 4m and diameter 6mm, a current of 120 ampere is passed. The potential difference across the wire is found to be 18 volt. The resistance of wire will be
a) 0.15 ohm
b) 0.25 ohm
c) 6.660 ohm
d) none of the above
13. An electric current i is flowing in a circular coil of radius a. At what distance from the center of the axis of the coil will the magnetic field be 1/8th of its value at the centre?
a) 3a
b) 3/a
c) a/3
d)
14. When the number of turns in a toroidal coil is doubled, the value of magnetic flux density will become
a) four times
b) eight times
c) half
d) double
15. Electric motor
a) is based on electromagnetic induction
b) converts kinetic energy into electric energy
c) converts electric energy into kinetic energy
d) none
16. The mains power supply of a house is through a 2 A fuse. How many 50 W bulbs can be used in this house at the normal voltage?
a) 5
b) 6
c) 7
d) 8