Consider the following statements.<br>1. There is no net moment on a body which is in equilibrium.<br>2. The momentum of a body is always conserved.<br>3. The kinetic energy of an object is always conserved.<br>Which of the statements (s) given above is/are correct?

Consider the following statements : 1. There is no net moment on a body which is in equilibrium. 2. The momentum of a body is always conserved. 3. The kinetic energy of an object is always conserved. Which of the statements given above is/are correct?

A

1, 2 and 3

B

2 and 3 only

C

1 and 2 only

D

1 only

Consider the following statements :
1. There is no net moment on a body which is in equilibrium.
2. The momentum of a body is always conserved.
3. The kinetic energy of an object is always conserved.
Which of the statements given above is/are correct?

A

1, 2 and 3

B

2 and 3 only

C

1 and 2 only

D

1 only

Consider the following statements: 1. There is no net moment on a body that is in equilibrium. 2. The momentum of a body is always conserved when an external force is applied. 3. The kinetic energy of an object is always conserved. Which of the statements given above is/are correct?

A

1, 2 and 3

B

2 and 3 only

C

1 and 2 only

D

1 only

Consider the following sentences.
1. In an inelastic collision, only momentum is conserved.
2. In elastic collision, both momentum and kinetic energy are conserved.
3. In an inelastic collision, both momentum and kinetic energy are conserved
Which of the sentences given above are correct?

A

1 and 2

B

2 and 3

C

1 and 3

D

1 and 3

Consider the following statement when a torque is applied on the rotating body: a) It's kinetic energy will increase b) Its kinetic energy may increase or decrease c) Its angular momentum will remain conserve d) Its angular momentum will change Which of the above statements are correct?

A

Both a and d are correct

B

Both b and d are correct

C

Both a and c are correct

D

Both b and c are correct

Least possible value of correction factor for
i) kinetic energy is zero
ii) kinetic energy is 1
iii) momentum is zero
iv) momentum is 1
The correct statements are

A

(i) and (iii)

B

(ii) and (iii)

C

(i) and (iv)

D

(ii) and (iv)

Consider the following statements: 1. The kinetic friction is always less than the rolling friction. 2. The kinetic friction is always equal to the rolling friction. 3. The kinetic friction is always greater than the rolling friction. Which of the following statement is correct?

A

Both 1 and 2

B

Both 2 and 3

C

Only 3

D

All 1,2 and 3

Match the following Device Conversion of Energy (a) Windmill (i) Chemical Energy to electrical energy (b) Bulb (ii) Kinetic Energy to Electrical Energy (c) Electrical Cell (iii) Sound Energy to Electrical energy (d) Microphone (iv) Electrical Energy to Light Energy

A

(a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)

B

(a) - (ii), (b) - (iv), (c) - (i), (d) - (iii)

C

(a) - (ii), (b) - (iii), (c) - (i), (d) - (iv)

D

(a) - (iii), (b) - (ii), (c) - (iv), (d) - (i)

Consider the following statements: 1. Both ferromagnetic and ferrimagnetic materials have domain structures; each domain has randomly oriented magnetic moments when no external field is applied. 2. Both ferromagnetic and ferrimagnetic materials make those domains that have a favourable orientation to the applied field grow in size. 3. The net magnetic moment in ferromagnetic materials is higher than that in ferrimagnetic materials. 4. The net magnetic moment in ferrimagnetic materials is higher than that in ferromagnetic material. Which of the above statements are correct?

A

1 and 4 only

B

1, 2 and 4

C

2 and 4 only

D

1, 2 and 3

The following are the conditions for selecting list of a suitable candidates to be called for interview after the written test for the recruitment is conducted/organized for management - level persons for a multi - national company. For providing accounting services and sales the candidate must (a) be holding a graduation in basic science with 65% or above or B.E. degree with 55% and above marks (b) have passed the written test with 70% or above marks (c) the age must be in the group 25 to 30 years as on 1/4/18 (d) have experience in an accounting firms for three years and diploma in accounting with 60% or above marks (e) be presently drawing CTC of 6 Lakhs per annum and above In case the applicant who satisfies all other terms above except 1) at (a) above, then be referred as Junior Accountant 2) at (d) & (e) above then be referred as Trainee - Accountant Satisfying all the above with experience of 5 years then the referred as senior-Accountant Satisfying all the above criteria (a - e) with CA/ICWA/MBA (Finance) then be referred as manager (Accounts) Read all the above information and answer the following question Praveen has done his Masters in physics. He has no experience in accounting neither diploma. He is ready to be on training for accounting after joining. For which position he may be referred

A

Senior accountant

B

Not eligible for any position

C

Trainee - Accountant

D

Manager (Accounts)

Consider the following statements.
1. There is no net moment on a body which is in equilibrium.
2. The momentum of a body is always conserved.
3. The kinetic energy of an object is always conserved.
Which of the statements (s) given above is/are correct?

Related Questions

Consider the following statements.1. There is no net moment on a body which is in equilibrium.2. The momentum of a body is always conserved.3. The kinetic energy of an object is always conserved.Which of the statements (s) given above is/are correct?

Related Questions

Consider the following statements.
1. There is no net moment on a body which is in equilibrium.
2. The momentum of a body is always conserved.
3. The kinetic energy of an object is always conserved.
Which of the statements (s) given above is/are correct?