Physics - Mock Test 41

Question 401

Electrical resonance is observed in?

A) radio B) microwave oven C) both in radio and microwave oven D) neither in radio nor in microwave oven

---

No Details

Question 402

Natural frequency of simple pendulum depends upon?

A) its mass B) its length C) square of its length D) square root of its length

---

No Details

Question 403

Phase of SHM describes?

A) displacement only B) direction of motion only C) both displacement and direction of motion D) neither displacement nor direction of motion

---

No Details

Question 404

The restoring force acting on simple pendulum is given by?

A) mg sin ? B) mg sin ? C) mg cos ? D) mg cos ?

---

No Details

Question 405

The restoring force acting on simple pendulum is given by 1⃣ mg sin ?

A) mg sin ? B) mg sin ? C) mg cos ? D) mg cos ?

---

No Details

Question 406

Which one dows not work according to resonance?

A) T.V B) radio C) microwave oven D) bulb

---

No Details

Question 407

Sharpness of resonance is?

A) directly proportional to damping force B) inversely proportional to damping force C) equal to square of damping force D) equal to square of damping force

---

No Details

Question 408

For what displacement the P.E becomes 1/4 of its maximum value?

A) x = x? B) x = x?/2 C) x = x?/4 D) x = x?2/2

---

No Details

Question 409

The product of frequency and time period is equal to?

A) 1 B) 2 C) 3 D) 4

---

No Details

Question 410

The energy of SHM is maximum at?

A) mean position B) extreme position C) in between mean and extreme D) all positions during SHM

---

No Details